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时间:2020-04-05
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1、Unmannedaerialvehicleisakindofaircraftwhichiscontrolledbysoldiersongroundanddoesn’tneedanypilotsonboard.Withthisobviousmerit,ithasattractedmuchattentionofarmies.Now,unmannedaerialvehiclesareusedtospyonenemiesandtofightinwar,butabuseofdronesalsoincurspublicprotest.Themainapplicationofunma
2、nnedaerialvehicleistospyonenemies.Manyunmannedaerialvehiclesarecapableofcruisingfordayswithoutbeingfueled.GlobalHawk,atypicalreconnaissanceunmannedaerialvehicle,developedbyAmericanarmy,canflyandgatherintelligencecontinuouslyforfortyeighthours.Also,unmannedaerialvehiclecanbeusedtofightasa
3、fighterinwar.Armiesnowpreferdronestofighterplanesbecauseevenifadroneisshotdownorcrashes,itwon’tcauseanydeaths.Notsolongago,it’sreportedthataPredator,droneofUSarmy,killedaleaderofMiddleEastterrorismorganizationinamilitaryaction.However,abuseofunmannedaerialvehicleincurssomepublicprotest.S
4、omespecialistsworrythatifdronesareoutofcontrolduringtheirduties,itmaycauseadisastertocivilians.What’smore,manypeopledoubtunmannedaerialvehiclesmayviolatetheirpersonalprivacywhenspying.Inhistory,militaryneedsalwaysstimulateappearanceanddevelopmentoftechnology,suchasairplanesandnucleartech
5、nology.Uptonow,unmannedaerialvehiclehasbeenusedtospyonenemiesandtofightinwar.Nevertheless,Ithink,topreventabusingdrones,militaryuseofdronesneedstoberestricted.Meanwhile,unmannedaerialvehicletechnologyshouldbeappliedtoservethepublicaswell.
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