《三年片观看免费观看大全动漫》

在那□际之上□□然出现一对巨目，威严□势□可□。1. 《□久□□（娱乐圈）》：讲述了两位□乐圈女□□🛩)□故□，她们经(💑)历了许多波折，最终找到了彼此，也找到了自己的方向。□你还想打下去吗□＂龙仍然嘴硬道(□)：＂下一秒我□□把你拦腰咬断。＂Agu□ta 109K□□□□lp□ne Medivac Rescue　　St□aight Up&#□9;s□exploration □f vertical flight□b□gi□s w□th□□□hi□h-impact alpine□rescue amid an a□□□anc□e.□The dra□atic op□ning sequence d□cu□en□s □he dange□o□s w□□k of the Rega mountain res□ue team an□ □he invaluable role of the Agusta A1□9K2 he□i□opter in saving□lives an□ minim□zing □njurie□.　　As the camera pan□ over beautiful v□stas of□the □now-cov□red Swis□ □lps, □t cu□s to a cornice, as a chu□k of□snow breaks free, tri□gering an av□lanch□. The tr□nquil scene i□ shatt□red as the □valanche thu□□ers dow□ th□ □ou□tain slopes. W□th □err□fying□s□ee□, it he□□s□straight□for a□mother and c□i□d trapped in their car, □heels □p□nning on the □cy ro□□□　　The □other calls □or h□lp□□n her c□ll□□hone□ and □ second call from a□snowp□ow promp□s□radio dispatch. T□e Rega mou□ta□n rescue□team alrea□y is air□orne □n route to th□ s□ene, t□e□red c□os□ painted o□ the □el□c□pter□□39;s white underbe□ly signaling that □edica□ help is □n the□□a□. The mother escapes, but her son is m□ssing.□Within minu□es□of□th□ he□icopter lan□i□g, the □□scu□ tea□ dig out t□e □ar, e□tract the tr□□ped b□y, ap□ly first aid□ a□d airli□t him and □□s m□t□er to saf□t□.　　A si□nif□ca□t m□un□ain hazard,□a□al□nch□s are□□esponsib□e □□□ man□ deaths each □ear. Time i□ o□ th□ essence in av□la□che□rescue work. A□pe□□on ha□ □ 90 pe□c□n□□□hanc□ □f□su□vival if□found □ithin□th□ f□rst 15 minutes,□bu□ on□'□ □ha□□es of □□rvival diminish with□each passing□m□nute. □□t □□ly d□ helic□pters pro□□de qu□ck ac□e□s□f□□ res□ue team□, t□ey also□pr□vide□a lifel□□e□to □ed□c□□ care. Fl□ing th□ in□ur□□ to the ne□rest hospit□□ as ra□idly as possible is not th□ only t□pe of rescu□ operation; often hel□copter□ bring t□e □os□□□al to the i□jured, who receive t□□atment at t□e□scene.　(🖱)　The powerful ava□anche □as shot in□Bri□is□ Co□umbia's S□l□irk Mountain□ under the sup□r□i□ion of th□ Canadian□Aval□□che As□ociati□n□ The C□□ controls avalanche r□sk for the saf□□y□of □eli-s□iers. To□captu□e the aval□□□he hea□-on,□avalanche expert and filmm□k□r□Steve K□och□l□and David□D□□gla□ □evel□ped a qua□ter-in□h-thick steel co□tainer for the IMAX came□a,□which was□e□ui□ped w□th □ t□igg□rin□ device and □ beeper □o that □he camera c□uld be found once□the avalan□he had swe□t it□do□n the mountai□□□□Th□ rescue was compl□ted□in Swit□erla□d□□s Bernina Pass nea□ the Ital□an□bord□r. □□lming the Rega□re□cue helicopter□air-to-a□r sequence t□□□ed into an internat□o□al excur□ion□□s Doug□as □h□sed the □unli□ht ove□ Italy in one di□ect□on□□nd□in□Aus□ria□□n□another□before setting down in Switzerl□nd.□In □no□her□dramatic shot, Dou□l□s□centered the red cross in t□e cr□□sh□irs of□th□ camera lens a□□t□e craft descend□d. □o □□cilitate t□i□ shot, Do□glas dug a hol□ in□the s□ow la□ge e□ough□to acc□mmodate□him□elf a□d □he IMAX□ca□□ra. Ins□de the h□le, 3 f□e□ be□ow the he□icopter, he□fi□me□ it□ take□ff□□　Ac□or□ing to□Dougla□, &quo□;The □elicopte□□is t□e□instrument □f rapid response □o natural□p□ysical an□ s□c□al□disas□er□ a□ound the wor□□,□□llev□ating □um□n suffering on a major scale. For the i□dividual cau□□t beyond th□ limits of t□aini□g□or equ□pment, often the last chance for survival is th□□□□pe □hat a helico□ter wil□ get □o □□em i□□time. "　　The Pitcairn PCA□2, □q□ot;Miss C□ampion"　　Fo□ c□n□uri□□ humans dreamed□of flight. The□Chinese, i□ □he 12th□ce□tury, deve□o□ed a toy he□ic□pt□r□made □rom a pai□□of□s□a□s mounte□ on□a st□ck, but serious e□forts □ad to□wait until the □arly 20th century□ Then, af□er t□e Wr□ght brothe□s□#39; his□oric□flig□t at Kitty Haw□, □e dreamed□of flight unfett□red□by□the □i□□tation□ of runw□ys and a□□p□rts. Y□t□by the□early 193□s□we wer□□s□□ll at th□ d□wn o□ the □ractical □otorcraft, w□ich□pro□ised t□ give□form to □u□ani□y□;s vi□i□n.□　(🤦□The ten yea□□per□od bet□een□1925 and 1935 w□□ an exciting time □□□□v□ation□history, b□t few air□raf□□so caugh□ □nd held the□public&#□9□s att□□□ion□ □□□th□ Autog□r□. Nicknamed the "flying□win□□ill," thi□ stran□□□□oo□ing□aircr□f□ was □ir□□ □uccessfully□flown in 1923□□y the Spa□ish□inventor□ Juan □e la Cierva□ who had □een□wo□kin□ on th□ development of such a craft□s□nce 1919. The Autog□ro fasc□nated th□ air-minded publ□c because of it□ □em□rk□ble per□ormance and □igh□degree o□□□□fe□y, attrac□ing such □eaders□of Am□rican□aviati□n as□C□a□les L□ndbergh□and Amelia Earh□rt.　　(🖱)Juan□de la □ierva sold □he American manufacturing rights□to H□rold □itca□rn in 1928. Pitcairn'□s Auto□iro □oas□ed a□more mod□rn fuselage with better a□rodynamic□□ualiti□s.□It a□□□ □rovide□ prosp□ctive buyer□ wi□□ a ch□ice of eithe□ a 300- or□□20-ho□sep□wer engine.　　In the□film,□Haro□d □□tca□rn's□son Steph□n f□ie□ "Mi□s□Champio□,□quot; a 1□31 model. This□Autogiro, used for pr□mo□io□ by □h□ C□am□□on Spark □lug□C□mpany, is□c□ntrol□e□ li□e an airplan□, bu□□is lift□d with blades.□Al□houg□ the or□ginal rotor blades □ave□seen □,600 hours o□□□light time, they are s□□□□ a□r□or□hy. With □ 33□-horsepower □ri□ht R □□□-E engine, □he Autogi□o has□a cruising □peed of□98 □ph and a□top speed of 118 mph. "M□□s Champ□on" le□ □ National Air Tour and□made the then-□□□□y 30□□ m□le-l□ng□fli□ht from M□ami□to Havana, □uba. (Until then, the □ongest over-water fligh□□b□□an A□togiro had □een 25 miles in □e□gt□.) La□□r, &□uot;Miss Champion□qu□t; flew nonstop o□er □ di□ta□ce □f 500 miles to Chic□e□ Itza□in the Yu□atan r□info□e□t. &qu□t;M□ss Champio□&□□o□□ was□r□tire□ from active □e□□ice in□□9□□ after setti□g □ new altitude reco□d fo□ □otary-w□n□ aircraft.□Cl□□bing to a he□gh□ of □1,50□□feet i□□1932, □he Autogiro surpassed the pr□v□□us record set by Amelia Earhart. □□d□y, th□ Autogiro is co□sidered to be the □□□lutionary &□uo□;missin□ li□□□qu□t; □rom□w□ic□ the pract□cal hel□copter was born.□　Fo□ty y□□rs later □tephe□ Pitcairn □□g□n the fo□□ida□le □ask□of collect□ng and restoring□examples of his father&□39;s airc□af□. He tracked d□wn &q□ot;Mis□ Champion&quo□; and in □cto□er□of 19□2 bega□ the pa□nstaki□□ ta□□ of restoration, using the original Pitca□rn factory drawing□. In the□spring of 1□85 &qu□t;□□ss □□ampio□□q□□t; fl□w again.　　The B□l□ 47G: A□Flying Lesson　　Since P□tcairn's Autogir□, improve□ co□tr□l sy□tems allow the airframe to r□□e □□rectly fro□ the gr□und with a □owered□rotor. □traig□t □p□ puts □ou □n t□e pilot□#39□s s□at of a B□ll 4□G as the basic elem□nt□ □f□heli□o□ter operat□o□ □□e □□monstr□te□□ T□e □ell□47G'□ single-rotor□□□nfig□rat□□n□□s by far the □ost common typ□ □sed toda□. Yo□r fl□ing le□son begins.　　As □ he□icopt□r p□□ot, the□pil□t use□ al□ four □im□s to fly, □ll □t the□same ti□e! With □he l□f□□hand holding th□ □ollective p□□ch control lever, he □ulls up□eve□ s□ slightly, and we go straight up into a slo□-□otion hov□r. The spi□ning □ot□r b□ades act as small□wings, but th□y spin so f□□t tha□ they □r□a□e on□ cont□nuo□s□d□sc of lif□. Whe□ the□b□a□es c□ange angle, or pi□ch □ollectively□ the helico□t□r rises or □al□□. The p□lot&□39;s rig□t □□n□ always h□lds th□□cyclic con□r□l, effectiv□□y tilting the whirling di□c □bove. Point□□ef□, □il□ l□ft□ Poi□□ ri□ht, til□□right. The ca□era then □lose□ in on the tai□ rot□r.□□nce□aga□n□ the altering of the blades aff□c□s direct□on. The □hopper spins in response to th□ pilo□□;s depres□ing one □f the □□o foo□ pedals.□If he depres□es the second pedal,□the helicopter sp□ns in th□ □pposite direction.　□T□e Pia□ecki H-□1B T□n□e□ R□tor Aircraft, &q□□□;The Flying B□nana"□　　The last □l□ing H-21B helicopt□r in□the□world ta□es□of□, heads for□□he b□ach and cruises 100 □□et ab□v□ the□Pacific sur□ o□f □he coast of□California. On□ of the earliest tandem helicopters, the H-21B repre□ents the birth□o□ the h□avy □ift h□licopters a□□ dates□back to the earl□ □□5□s□ Nicknamed &quo□;The□Flyi□g Ban□□a"□ for □ts□shape, the H-21□ h□d □ore power □n□□g□eate□ □tability than previou□ helicopte□s. The tandem-rot□r H-21B ca□rie□□t□o se□s o□ □o□den□blades□sit□ated n□ar□y□50 feet apar□ b□t op□rated□by on□□set o□ heli□op□er f□ight controls. The pilot must be□e□e□ □igi□□nt,□as this helicopter could rapi□l□ □nv□r□ sh□u□□□t□□ pilot let go of the contro□s.　　The vintage H-21□ used□for the film □as decomm□ssioned fro□□the□U.S. □ir □orce in 1972 and was restored b□ the □alifornia-based Class□c R□to□s: Th□□Rare an□ Vin□age Ro□ocraft Mus□□m. Thi□ nonprofit □□seum □n□ restoration facili□y, dedi□at□d□to the preservati□n o□ unique, vintage□and r□re rotorcraf□, spent m□re□□han□10,00□ hours returning the H-21B to□□irwort□iness.□Ever□ hou□ flown re□uires 1□0 hou□s of □□i□ten□□ce. Classi□ Rotors is the only mus□um □f it□ ki□d to □aintain ei□ht□h□licop□e□s in flying cond□tion. Whe□ its□new fac□□i□y in □□n Di□g□ ha□ b□en co□pleted, □he m□seum□□ill □xpand it□ e□hibit□ □rom □5 to 30 vi□t□ge □□torcraft.　(🦌)　□ne of the highlights□o□ its □□l□ection is a □amous r□lative□of □he H-21B. This□is a□V 44 (the commercial □er□ion of the□H-21□-nicknamed "□he Holy On□"-and is the□onl□ one to land at the Vat□can □nd□be b□essed□by□the p□pe. Whi□e on a 195□□demonstratio□ □our□in E□□ope□□the □elicop□er □nd its crew ha□ provided he□p t□□Italian □omm□nitie□ followi□g a de□asta□ing□ear□□q□a□□.　□Future H□lic□p□er D□s□□ns　　One aspect of curren□ resea□ch centers aroun□□t□□ d□vel□pme□t of □□uot□quiet tech□o□ogy" that□□ill all□w □e□ic□pters t□ become better □eighbors and to □p□rate mo□e□stealthi□y □n p□lice and m□litary ope□atio□s□　□Q□□et techn□logy adva□c□s rel□ o□ □ combination of□te□hno□ogies, which in□lude imp□oved rotor bla□e desig□ a□d the□user o□□rotor syst□m□ □□th fou□ or m□□e□b□ades. Repl□□ing th□ ta□□ rotor□with a Coanda-ef□ect N□□AR (NoTail□ot□r)□system □oes a lon□ way in□reduci□g noise, a□□does □hrou□ing□the tail rotor□in an arrangement know □s a &quo□;fan-i□-fin.□quot□ Other □d□anc□s f□□□s on noi□e-dampening□air inlets and □m□□oved□e□gi□□ nozzl□s.　　New helicopter designs are tes□ed in th□ wo□□d's largest wind□t□n□el □t the NASA Ames □ligh□ Resear□h Center□locate□ at□Moffett Field□in C□l□fornia□ A□es was f□□nded □n□1939 □s an □ircraft research labo□atory of the National Advi□ory Committee □or Aer□nauti□s, which be□□me □□rt □□ the Nat□ona□ Aeronauti□□ and□S□ace Administrat□o□□(N□SA) □n 1958. N□S□□has□the leading □ole in □erospace □peratio□s□s□st□m□, which incl□d□ air traffi□ □ontrol, fl□ght effects on humans, and r□tor□raf□ techn□l□gy. NASA □mes scientists an□ □□gineers st□d□ □□bo□□c helicop□er□, hi□h-s□eed h□brid□, □nd adv□nces □□ quiet□technology. The cen□e□ also has m□jor responsi□il□ties for the creation of des□□n and developme□t tools□and fo□ wind □□nnel testi□□□　　The NASA-Bell X□-1□ Til□-rotor　□(🧦)In□the film, an □V□15□c□nvert□□over Dallas-Fort Worth A□□□ort. The□XV-1□ is an experimen□al rotorc□aft, the parent of a new□fa□ily □f□ai□craft called &q□o□;t□lt-ro□ors.□□uot; The tilt-□otor c□mbi□es the h□vering abil□ty of the hel□copt□r with th□ spee□ of a□fixed-□ing a□□craft. T□e XV-15 can ta□e of□ and□land like a helic□pt□r.□The audience will□□ee□th□ e□gines t□□ting forward as the tilt-rot□r becom□s a high-s□eed plane.□　(⛲)The Bell-B□eing V-□2 Ospr□y　　A □-22□Osp□ey unwra□□□ em□rging like a□preh□storic fl□□ng d□□osaur.□B□il□ primaril□ for the U.S. M□rines, Air Force, and Navy, th□ V-22 Osp□ey has□wings□that pi□ot and □oto□s that□fold to facilitate it□ storage at se□. In le□s than 9□ s□conds, you □ill see the V-22 com□lete □□is proce□□. Alt□ough sti□l cla□si□ied as a t□lt-□o□or,□it i□ faster, □ith three t□mes□the□range and mo□e tha□ ten times the□paylo□d of its pr□decessor. It sho□s□the pr□mi□e of long-d□stance tr□v□l, w□th□□t a□rports□　　□he Hawk 4 Gyroplane　　□ot□r□□aft □v□lution is□als□ in the h□nds □f t□e entr□preneu□, and this □n□ependent spirit is most ev□dent i□ □he□Haw□□4 Gyrop□ane. Wh□le s□□e des□□□s p□oduc□ groundbr□aking changes, □his aircraft brought □he eco□□my and safety of □he Autogiro into □he spac□ age.□A rotor□is used f□r□slow-speed f□□g□t, □ut □t hi□h-speed cruising a□l th□ lift□is □rovid□d □y the □i□g wh□le□the r□tor□h□s n□ lif□. T□e Gyrop□ane sho□s promise □s a □igh-speed, low-disc-loading□rotorcraft.　　T□□ Bo□ing-Sikorsky RAH-6□ Co□anche　　T□e Com□nche rips and dip□ across the□s□ree□, set□□g□in□t a su□set. Th□s prototype□heli□opter□h□s □tealt□ □ec□nolo□y□ It's sma□t, agil□, fas□□□nd □nvis□ble to radar. It'□s t□e f□rst he□icopter□to □rovi□e rea□□time digital □ata□□o he□dqu□□t□□s. Se□ing in the d□□k, s□nsi□g the for□es at play□around us and a□ting on the□evidence in□rea□ t□me□ the Comanche □s a comp□ex flying □a□hin□ w□t□ a human□b□ing a□ its he□rt. □veryday, in u□expecte□ ways,□it□e□tends □ur powers□and puts us to □ork w□th □ revoluti□nar□ tool.　　The C□m□nche i□□the□central e□ement of the U.S. Army&#□9;s fut□r□ Objective For□e. I□ ad□ition□to it□ c□mplement of miss□l□s □nd 20-m□ □annon, t□e ai□craft carri□s st□te-□f-the-art sensors and av□onics to provide battlef□eld□comm□nd□rs□with so □u□□ a□curate inf□r□□tion a□out enemy□movement□. This□know□edge will □ranslate int□ more precise□targeting, increasi□g □he eff□cti□en□s□□o□□friend□□ for□es bey□nd cu□rent □ap□bili□ies.　　The U.S. Ar□y has d□fined a requ□□ement of more than□□,□00 C□m□nches □or□the Objective □□rce. The RAH Coma□che, □he ar□y□#39;s 21st-c□n□□ry co□bat he□icopter is being dev□loped□by □□e U.S.□Army □nd a team of lea□ing aero□pace companies hea□ed by the Boeing Com□any and Sikor□ky Airc□aft□□orporat□□n, a□unit□of□Unite□ Tech□o□ogies□Corpor□□□□n.　(□)　The Sikorsky UH-60□B□□ck H□wk and □S 350 B2 AStar□E□f□□ce th□ La□□□E□en□s□swiftly u□fold as t□e ra□ar pl□ne sp□ts an "uni□enti□□ed"□Ce□sna □ropping bundle□ □□ drugs off t□□ coast□of Mia□i at□dawn. A signal alerts the Marine □nd Ai□ □ranch of U□S□ Cu□tom□ who speed□o□t t□ i□ter□□□t the smuggler□. Just □s the drugs a□e transferred f□om boa□ to□van, The AStar heli□opt□r bu□sts over□the treetops, de□l□ying a tactical □eam□to arrest the□dr□ver.□W□il□ the sm□ggler□;s Cigarett□ b□at attempt□ to□□sca□e, a B□ack H□wk h□licopter dips down to crea□e a giant backwash. □n□□ □tunning display of□imp□□□able teamwork, t□is □c□ion for□□s the fleei□g boat □o swerve to a h□lt as □ Customs boat cuts it o□f and apprehends the crimin□ls.　□On □□typica□ d□y, the □□S. □ust□ms Service exa□ines □.3 millio□ passe□gers, 2□64□ aircraf□,□50,889 tr□□k□/□ontainers, 355□0□4 □ther□v□hi□les, 588 vesse□s, □4,□23 e□tr□e□ and underta□es the□□oll□win□ e□□orc□□e□t acti□ns□□6□ □rrests,□107 na□c□tic□seiz□res, 223 other□seizures, 9 c□rren□y se□zur□s. These amou□□ to 5,059□□ounds of narcotics□□$443,907 in c□rrency,□$□28,803 i□ con□eya□c□□, $525,791 in□merc□□ndise□and □ore tha□ $15,800 in □r□□ a□d ammunition.　□Filmed over a peri□d of five days off □he coa□t of Mi□□□, the air,□land,□and se□ drug bust was s□a□ed by the U.S□□C□□toms Serv□□e□ whic□ relies□heavily on heli□opt□rs d□ring such op□□ations.□　U.S.□C□st□ms pilot,□Tom Stan□on, particip□ted in□t□e s□oot with his□co-pilot Kimberly Ke□sel. □e□sel □s on□ o□ seven women U□□. □usto□s pilots □nd□only one □f two □□alif□e□ to f□y Black Ha□□s□ □□th pilot□ volunte□red to work with t□e f□lm crew. Says □ess□l, a gradua□e o□ □mbry-Ri□dle□Aeronautical Unive□si□y, □□uot;The□ were phenom□□al, ready□to try an□thing."　　In addi□io□ to□daytime □li□hts, Stan□on flies the r□skier n□ght missions□□"Flyi□g at ni□ht is dange□o□s as you lose all perc□pt□on of wh□t's up □□ □o□n becaus□ both the□sk□ and □ce□n □re □lack, so t□ey just □ind□of run□in t□gether. There's □o□hori□on on those□dark night□,&quo□;□says the ve□eran p□lot.□□Ty□ic□l□y□he□f□ies□from □00 to □0□ feet above the wa□er at 12□ to 150 kno□s. "Not□many peopl□□fly□t□at lo□, ev□n in the da□time,&quo□; sa□s Stanton. &qu□t;□here'□□□no□auto□ilot,□□o it's□ha□□s on. Plu□ you're ch□sing □om□one. You have to be a□are. It can g□t□tense out th□r□."　　Stanton □escribes a□ ai□ □h□se: &qu□t;Once there's a targe□,□we launch a jet wit□ □adar. The jet pilot □alls the hel□□□p□□r□out □nd we l□nk u□□ flyin□ in formation. □e follow t□e bad gu□ wherev□r he goe□. If h□ h□□□extende□□ran□e fue□ tanks, we leapfrog□and □en□ anoth□r hel□□opte□ out □o□ta□□ up□□he□chas□. (The B□□□k Hawk□carr□es five hour□ of fuel.) When he ge□s in□□ his landin□□config□ration, □e call the local police or sheriff to hel□ u□ ou□." The Black□Ha□k, whi□h□can carry up to 14□p□□ple, t□pica□ly ca□rie□ 4□or 5 □□m□d perso□nel, &□□ot□so we in□t□ntly hav□ □□force of □olice offi□ers there to □et th□ b□d □uys.&q□ot;　　□□u□t;If it□#39;s a boat, we have C□garet□□ boats□li□e the sm□ggl□rs. We&□□9;ll□ca□l□our boat □nd□hav□ it inte□ce□t."□ Stant□□ flies the□Blac□ Hawk next □o □he □□at, making i□ hard for the□smuggler□ □o□nav□gate. "It□in□imidates th□m into giving□up.□Sometimes □hey do [bu□] s□met□m□□□we □ha□e them for ho□rs.□Or we'll foll□w them into a □arina a□d block them □ntil our bo□ts come. If t□ey□h□t the□beach, w□&#□9;ll call the stat□ □olice or sherif□, an□ th□y set □p a perimeter□so the □u□□ca□'t get out."　　Stanton, w□o flies m□ssions□as o□ten□as □n□e or twice a wee□, h□s been f□ying □□r 26 years, 13□of thos□ as an□a□my helicopter pilot before he joi□ed U.S. Custo□s in□Miami w□ere □e is□the □□uot;stan□ar□izat□on□instruct□r □ilot." He mak□s sur□ that ever□body □lie□□the same□□ay□ s□□t□□□ w□en□t□ey t□am up□ the pilot□ easily wor□ in ta□dem. Pil□ts □ly□8□hour shifts a□d t□□ operatio□ goes o□ □4 □ou□s a da□□□7 days □ week in □reas cov□ring both the Canadian □n□ Mexica□ land□border□, the Atl□nti□ an□ □acific co□st□ines□ and□the Gu□f of Mexico.　□The MD 5□0E Helicop□er　　□ M□ 500 helicopte□□hove□s directly a□o□e 500,000-□olt □□wer li□es. As it inches □loser, □ □ig□tni□g b□lt sudde□l□ za□s out fro□ the hot□line, arcing tow□rd □he wa□d extend□d by□a lineman per□hed on an □lu□inum pl□□form that ju□s out from the helicopter. The "ho□□□in□-qualifi□d&□□□□; linem□□□clam□s onto the po□er lines, □□d helicopter b□□ks off, le□ving hi□ to "wire walk,&quo□□ cr□wling al□ng parallel l□nes to ins□ect t□□ PPL □ower □ine g□id, 10□ fe□t□off the gro□nd. To reboard the he□ico□ter, □□e lineman□mu□t &q□ot;bond off,&q□o□; reve□sing □□e procedure.　　"I d□□'t giv□ two□□oots□and a h□□ler a□out fly□ng in□ide□a hel□c□pter. Put me outside□ that'□ where □□want to be,"□ □ays □anie□ "Spider&qu□□; Lockhar□,□AgRo□ors lineman. There's only th□e□ thi□gs I□;ve bee□□afraid of most□of my life□ One wa□ electricity, one was heights an□ the other was wome□. And□□I'□ □arr□ed too," he□gr□ns. "T□e safest□□in□man is o□e that is □fr□id of electrici□y□ Wh□n we bond to the p□□er line□ □ner□ize□□a□ ha□f-a□□illion volts, we h□ve to □□i□g □urse□ves□t□ the□s□me po□en□□a□□ □hat is why you se□ □hat ar□□ju□pin□ out to our wan□ as we m□ke bo□h the □□l□co□ter and t□e□power line at the□same pote□tial, s□ that we can □liminate the flow of curren□,□quo□;□e□pla□ns the vete□an linem□□.　　Spider wear□ a □rote□tive hot suit,□7□ □ercent Nomex □or□□□□□ □etardation and 25 pe□c□nt sta□□less steel □hread. &qu□t;T□e□metal th□e□□ b□si□□□□y me□□s□I ha□e a cage ar□und me th□t□can be ener□ized□□t ve□y □i□□ voltage□levels. A h□lf-mill□on□v□lts pass over my body, but I □an work without i□terferen□e fr□m the electr□city."□　He □onti□ues, &quo□;Watchi□g that □□□ctricity□jum□ out while□you□;re ene□gizing the helic□pter i□ a □h□□ll. Getting□on th□ wire,□wal□ing t□e wir□ to □o□re□airs i□ a t□rill. The biggest t□rill I □et□is from doing what I □o □s bei□g able to do□both□to□ether-t□e electric□l p□rt and t□e □□lic□pter□p□□t□of it, th□□□□eed □t□which we can d□ it□and sti□l b□ saf□. Th□re are so ma□y things that the helicopter□enable□□us □o do as lin□□e□, wh□ch is ve□y r□w□rd□ng."　　The teamw□rk □f t□e skilled h□□□copter pilo□s□□nd h□ghly □rained linemen ens□re that the □PL Corp. p□ovi□e□ □ con□t□nt sourc□ □f electri□it□□to its 1.3 milli□n □□□tomers in Pen□sylvani□□(in□addition to 4.4 m□llion in Latin Amer□ca and E□rop□). To maintai□ the integrity□of the trans□ission sy□tem to re□idential and c□mm□rcial□establ□□hments, and t□ ensure the safety of th□ o□eration, □he□□e□m plans and rehe□rs□□ eve□□ move□whil□□on the ground bef□re takeo□f. □ven □o, un□ntic□pated□gust□ □f□wind and glare from the□wir□s can aff□ct the p□l□□□;s □epth perception, requir□ng □otal concentration□□uring hi□□ho□r□ at the c□ntrols. As □he helicopter i□ □□o□□ted from the ground□ t□e pilot and□□inema□, clad in pro□ective sta□nless □□eel suits, mu□t bond onto □he transmissi□n lines□□o bring themselves t□□the same voltage potenti□l o□ the line□□□ work sa□ely-p□ralleling what a□b□rd does□when it sits on a wire.　　Pro□ably □he □ost unusual place that th□ director rigged□th□ camera was on the end □f the□plat□o□m o□ □□e MD□50□, which is d□sig□ed□to car□y t□e □ineman a□ □e bonds□ont□ the ha□f-milli□n-v□lt□power□line. "□We took □way□the linema□ a□d □□□ the camer□ in his place□□the linema□ rode behind the ca□era and used his wand to dra□ the □rc of□el□□trici□y□ri□ht□ont□ the cam□ra l□ns. □ don't t□i□k i□'□ be□□ done befo□e. It blew all t□e electronics out o□ the camera □□couple of times befor□ we f□gured out ho□ □□ □o it," reca□ls D□u□l□s.　　The Boeing 234 Hel□c□pter: H□lil□□ging□with□Limit□d Environme□□□l Damage□　Flo□ting□ab□ve □he □□re□t in n□rthern□Ca□ifornia, a□1□□to□ Boe□ng 234 helic□pter □ele□t□ its □arget with□precis□on. Selective lo□□ing i□ □ pr□ces□□w□er□ onl□ a□po□tion of the avail□ble tim□e□ is□removed □rom a log□ing si□e. A si□gle tree is□□ifted stra□ght up from the forest floor,□leav□ng th□ rest of□the □r□a en□iron□entally int□ct. Removin□ such□□imber-very □f□en trees that are already d□ad or diseased-□llo□s □he re□aining□trees to□th□□ve on th□ addition□l r□□our□es of su□light□ w□t□r, and □o□l nu□rients. Helilo□g□ng i□ en□iro□men□ally fri□ndl□□in □ther □ays as □e□l. First, si□c□ t□e logs are lifted from the g□o□□d, littl□ □oil er□sion,□t□□ical of□conve□tiona□ logging □□thod□, occurs. Second□ i□ □□n□ cases□the hel□copter □s able to use ex□□ting□roads for landings, mea□ing no ne□ roads need to be built in□o the a□ea be□ng logged.□　Columbia Helicopters□□uts□□ore l□gs each□year than □ny other h□licopter loggin□ c□mpany□ □o □repar□ the timber□□or th□□□elic□pter□ the specially t□ained l□g□ing cr□□□cut it into c□□efu□ly□weighe□□se□tions□ C□lumbia'□s flight□crew□□a□e a□□ng the□m□st experienced at lon□-l□ne w□r□ in the w□rld. W□th speed and p□eci□ion, they □re□able to move h□avy l□ads of logs at□□he end□of □ines up to 350□feet long. On□□ th□ line i□ lowered □□□m t□e Boeing□2□4 helicopte□□ steel tong□ clam□ □□e log and th□ enti□e tr□e is rem□ved without di□t□rbi□g the b□lance □f nature. &q□ot□It's k□nda□like lookin□□□9; down 25 stories and pic□ing up a□telepho□e p□le,&quo□; comments□the□helicopt□r pi□□t,□Dav□□S□rou□e□□who deposits□the timb□r at□a n□□rby transfer □a□d□ "The u□iq□e th□n□ a□out this hel□c□pter is that, w□en□w□□t□ke □ff from□t□e□g□ound, w□ weig□ a□proxi□ately 22,000 p□unds.□An□ w□'re r□gge□□□or □bout 2□,000 pound□ when we□get □ow □n fuel. So the load a□tuall□ wei□hs □ore th□n t□e □elico□ter. It&#□9□s exciting and harrowin□ all at□□he same t□me."　　The □oeing 234s□□ave□a lift ca□acity □f 28□□0□ lb,□(1□,□27 kg), □ut mos□□of□en □arry loads □et□een □3□□00 lb, (10,454 □g) t□ 24□000 □b (10□909□k□) d□□ to el□vati□□□and air tem□eratu□e con□iderations. The company □r□ins□loggers to work□□ith □□li□opters because load□□eig□□ is such a dra□atic part □f wh□t they do. Wei□□t□is determ□ned,□using a fo□m□la, whi□h are□a func□ion o□ the v□lume□□nd th□ typ□ of□wood. □iffere□t □□e□ speci□□ have □□ffere□t weights per□volu□e.□　Wh□n one □f the pil□ts sug□ested using the log as a platform for the cam□ra, Do□glas realize□ □not□er□□xcitin□ □am□r□□angle.□The possibility exist□d that □h□ bran□hes could scr□pe□of□ th□ camera as the log wa□ hau□ed up□□Doug□as prevente□ this□by placin□ the□camera inside a□heav□ steel avalanche box, w□ich he anchored □n t□e□e□d of a big log□□Once the log was grappled, the hel□c□pte□ hau□ed the protecte□ came□a right thro□gh the b□anches, giving the audi□nce a breathtaking view f□om the perspective o□ t□□ log! □h□□U.S. Marine Corps AV-8B □arrier, AH-□W Cobra, CH-53□ Super□Stallio□ and CH-46E S□a Knight□on a Milit□ry Mis□ion　□An□AV-8B□Harrie□ jet dem□nst□ates its verti□al □anding ability fol□ow□d□by □ forc□ recon□aissa□ce inservice□exer□ise from an airc□aft ca□rier, as Marines□climb aboard the□CH-53□. AH-□W□□□bra□□□nd Harriers form an assau□t-su□po□t pac□age,□a□ the r□co□□aissan□e t□am□sets out on a mission□to ob□a□n in□aluable intellige□ce about □he e□em□.　　(😉)Ins□de the C□-53E,□t□e □achine-g□nner is at the ready □s□a Cobra fires□three □ockets. The a□tio□ heats up as the IMAX camera□c□ptur□s □he Mar□□es fast-□oping through th□ □□uot;hell ho□e□quot□□and □liding down□a r□pe da□gling fro□ th□ CH-53E,□la□□ing in □nem□□t□r□i□ory. The □eader of□the □econnaissa□ce□team says, "By □he ti□e yo□ get t□□touch rope in a live□□it□at□on□ y□u an□ your men fee□ tighte□ than family□ □our f□tes □re □i□d □ike the st□ands of a rope.&quo□;　　T□o ho□□□ □ater th□ Marin□s have com□leted the□r mission and are ready t□ be evacua□□□. Now the enemy hunts the□ o□ the □□ound□ Trees shak□ as th□ r□scue C□-53E helic□p□er hover□ ov□□head, lowering□a rope to th□ squad,□now u□ to□their □aists i□ water. One □fter the o□h□r, in a matter o□□seconds, th□ m□n cl□p□t□emselves onto□□□e rope. &□uot;Extr□ction, even more □han □nsertion□ is w□en y□u nee□ s□eed. □ou'□ve been a□ful □□iet.□□uddenly, you□#39;re□awfu□ □o□□,&qu□t;□says Sg□. James Kenneke, th□ squad leader. □e's firs□□i□ □nd □ast out.□Lifted up□ lik□ washing o□ a line, the squad dangl□s bene□th the helico□ter as □t□is es□orted by□C□b□as, out□over the Atlantic.　　&quo□;It'□ a relief to □et out.□But□ther□'□ that moment of □oubt. □v□rything sl□w□ down whi□e yo□'re exposed � holding you□ br□ath□for that ha□py ending. An□ □□□n □□u get□it, □ou feel on to□ of t□e□wo□l□. Of c□ur□e, t□en we&□39;ve □ot to co□mute□home j□s□ l□ke□everybod□□e□se,&q□ot; s□iles Kennecke.　　Th□ Mi-2□ and Mi□□ Deliver Hum□ni□arian Ai□　　Som□times, somethin□ □ery precious must□be de□ivere□ beh□nd enemy l□nes□food□ □ierra □eo□□ is a nati□n that has suffe□e□□years □f conflic□. Fro□ the food de□ot t□ the h□t spot, helicopters provide an air bridge. Hoisti□g food□a□d medi□□l supplies to□di□t□es□□d peo□le □ehin□ rebel-held t□r□itories, th□y□□□ve□□he □bil□□y□to□h□p□over hot zones□in des□e□at□ situations.　　□□e□wo□ld&#□9;s □arg□st production□hel□copte□-the Russian-ma□e Mi-26-i□ the workh□□□e f□r □he □nit□d Na□i□□s (UN)□□ea□ek□eping o□e□ation□□n war□torn □ier□□ Leone.□□h□ heaviest production helicopter in □□e wor□d, this □ajes□i□ □□gh□-bladed□cra□t-one of □our chartere□ by □he U□ from Russia-can carry a maximum of □4,090 lb □20,□□0 □g) of intern□l pay□oad□or up to□□0 tro□□s. □he □i-□6's□top sp□□d is 183 mph (295 kph) an□ it has a range□of 3□4 mile□ (400 □m).　　□n□t□□s seq□enc□, the Mi-26 i□ lo□ded with cargo t□ □□ppl□□UN□t□oops protecting an □solated community in the□c□n□er of rebel-he□d te□r□□ory. The wo□ld□□39□s □argest□□oo□ agency, the UN World Food □rog□a□□(WFP), organi□ed a m□ssive air□campaig□ targe□□□□ internally di□placed perso□s that h□d congregated near□a □li□ic □or □alnourished□children. Once r□bels □□o□ the Re□oluti□na□y Uni□e□ □ro□t (RUF□ had surr□und□d the area and□blocked road access, the □F□ was pre□ented□from□□ompleting□□ b□lk□dist□□bution. Inste□d, they loaded up □heir Mi-8 an□ □lew t□□t□e Daru clinic wher□ the most vulnerable women□and chi□dre□ wer□ locat□d.　　&□u□t;Al□ children und□r five□who are□malnourished are given □□□p□ci□□□fee□□ng program in Daru. □n□ □he u□de□-□ive □re always □he □irst on□s yo□ target□for any □ind of extreme mal□o□r□she□ □ases,□because they die very quickly,"□says□A□a Shne□rson, prog□a□□officer□fo□ the W□P. □q□ot;Daru □s a kind of □n i□la□d, a safe isla□□,□s□rro□nde□ by areas □hat are unsafe,□quo□; she say□, "and□for that re□□on, it always served □s a sort □f mag□et f□r t□e v□r□ vul□erable p□ople coming out.&quo□;　　A□ot□er big □FP□ope□atio□□□Foo□ for □□a□e,□□i□es food to chil□ ex-c□mb□ta□□s, in an□effor□□to attract them to disarmame□t and□demobilization camp□.　　(□□The heavil□□lade□ craft flew □ut□of the □□□ital c□t□, F□eeto□n, si□□ated □n the we□t co□□t □f Afr□ca between Guinea □n the nor□h and Li□□ri□ on the south. The WFP supervise□□a v□ri□ty o□ fee□ing p□o□rams i□ th□ □isplacement ca□p□□ feed□n□ 5,0□0 in a□□□pe□ation that t□rge□ed B□nbuna, Kab□la and Daru □n □000.　　Th□oughout the world□ h□□ico□□e□s h□ve saved□millions of human liv□□□ There are 777 mi□lion □eople in de□elopin□ countrie□, according to the WF□. I□ 2001□the W□P f□□ □7 mil□ion hungry people (1□ percent of t□□ □□n□ry poo□) i□ 82 cou□tries.　　Diamond□, w□ich□shoul□ □□□e □r□ught p□osperity to □ierra Leone, ins□ead re□u□ted in one o□□t□e m□d□rn world's m□s□ brut□l in□urgencie□□ dating □ack t□ □991 when rebels launched a □a□ t□ overthrow □he □overn□e□t□ In the ensu□ng year□, □ontinuous battles betw□en the□var□ous factio□s-r□bel□□ □he ar□y a□d th□ g□vernment-displac□d t□ns o□ thousands o□□innocent c□vilians, resultin□□in□□unger □nd famin□. I□ □998 UN obs□rvers d□cumented reports of ongoi□g atrocities and human□righ□s abuses. I□ 1999 negotiatio□□ □egan □e□□een th□ government a□d □he□r□b□l□, a□d an agr□emen□ was□sig□e□ □n Lome t□ end □o□tilities□and form □ governme□t o□ nati□nal □nity. B□□20□0□ th□ □N's expande□ rol□ resu□ted in th□ de□loymen□ of 17,500 m□litary p□acekeeping p□r□onnel to va□ious□par□s o□ the c□un□r□.□Free elections □n□May 2002 h□ve given hope a□d a fre□□ sta□□ed in Sierra □eone.　□Th□ AS □50 B□ and□AS 350 B3 Used for □□□□life Relocat□on　　In□Sout□ A□rica, helic□pters ar□ helping to save□the black rhino from □□tin□tion. Protect□d in a □ew re□ote□preserv□s,□t□eir numbers□ar□ ris□ng. H□□ever, shou□d th□ rhi□os □eel overcrowded, □□□y wi□l f□ght□to □he d□at□. To □rotect□the □peci□s, □om□ mus□□□e r□□ocated t□ sa□e ha□itats, □ut th□□ is□□asier said□t□an □one.　　A platform dangles fr□m a h□□□copt□r□overh□a□.□Inside a□other hel□copter, □l□ing low□o□er th□ Sou□h□Af□□can veldt, a□man w□t□ a rif□□ takes□□i□ at□a black□□hinoc□ros, dod□ing through the bush□s□bel□w. Th□ pilot c□nc□ntrat□s o□ □ly□ng 5 f□□□□a□ove an□□10 to1□ fe□t□beh□nd □h□ rhin□. An□ic□patin□ □ts□every □□ve, a w□ld□if□ v□terinarian pulls the trigge□□of his□gu□ loaded wi□h a tranquilize□ da□t□ scorin□ a □irect hit tha□□successfully p□n□tr□□es the r□in□&□3□;□□inc□-thi□k sk□n.　　(🍓□&q□ot;W□en I am dart□ng ani□als □ik□ th□ bla□k rh□no, there□i□ □□is immen□e trus□ bet□□en mys□lf and□P□et, the □il□t,&q□ot□□says□w□□dlife vet□rinarian,□Dr□ Douw Gro□ler□ who□□□ecializes in imm□nizations□and tra□sl□cations.□□quot;I kno□□ex□c□ly w□at□he'□ go□ng□to do an□ w□ere he's □oing to□plac□ m□□ I□□on□#39;t ha□e to think. I can□ju□t□□oncent□□t□ on the ani□als. □ □ust □now he's g□ng□□o put □e th□re in□□h□ right sp□t at t□e right □ime. It□□39;s almost □hat he □enses wha□ the animal□#3□;s goi□g to do□ In□th□t□wa□□ □□□c□n chan□e the animal's m□nd wi□h h□s helicopter□"　　Grobler has measu□ed□a □□ecific d□ug dosage, which can ke□p a rhin□ a□leep□for up to□t□o□hours.□Once the□rh□no□is dart□d, the□grou□d □rew lands□as soon as possible to □nd□rta□e a m□lti□ud□ of□tas□□. □hey mo□it□r th□ be□st's vital sig□s□□ta□e skin□an□ blood sampl□□ to□st□dy its bas□c heal□h a□d to □etect any nut□ients tha□ are lack□ng□ Th□s ensures that□□□e h□bit□t is hea□thy f□□ long-term pr□pagat□on. T□ey also cond□ct pre□nancy tes□ing. E□c□ rhin□□#3□;□ ear i□ not□□ed so that it □□n b□ identified easi□y f□om the a□r a□d ground.□T□e tip of the□second horn is removed □o pr□vide □ater□al f□□ geneti□ resea□c□, and □ tra□smi□ter is fit□ed□into the □hin□□#39;s□h□r□ for tracking i□s whereabouts.□Poachers pr□sent □ consta□t d□□ger □o the rhino□□□39; security.□S□ould a poacher□rem□□e □he horn □or e□port□ t□e t□ansmitt□r would t□igge□ □n□a□a□m.□　Whe□ tw□□males inhabit the same t□rritory, o□e must be relo□□ted bef□re □□ey □at□le to the death□ Pl□cing a sl□n□ in p□s□tion□ the c□ew □olls the rhin□□aboar□ □h□□p□atf□r□□ making s□□e it i□ □ully asleep. With □ lifti□g capability of 3□500 l□ (□,□90 kg), th□ AStar B 3 c□n reloc□te the 2,250□lb (1022□k□) rhino to □□ a□ea □□ □he sanctuary tha□□is acc□ssi□le □□□y by h□l□□opt□r□　　The ex□ensive □esearch o□ elev□n black r□i□o□ □cqu□□ed□during th□ □o□r-day □hoot was made □ossible o□ly t□rou□□ □K Film□;s financial contri□ution. □q□o□;M□ □i□ld of□ex□ertise lies in t□e ca□□□re and reloca□i□n of Afr□can wildlife. I a□ extremely □r□tefu□□to□Straight□Up! f□r sp□nsoring t□is□incr□□ibly □mport□n□ res□□□ch□□nd□□□loca□i□□ p□ogra□ at th□ game□park.□With□ut □he□film,□□his □esearch would□not □a□e□hap□ened,"□s□ys Gro□ler,□who□organi□ed th□ capture□ r□search and r□□ocation project, wi□h□the fil□'□□ production cr□w□ "Every□animal is just□s□ v<□>以□是□本正牌综艺□说的推荐□结：

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