- 问题详情:I think our spacecraft(宇宙飞船)is ________slow _______carry large numbers of people to Mars at present. A. so, that B. such, that...
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- mannedspacecraftcenterAmannedspacecraft;severalmannedlunarlandings.Russiamayprovidelauncherforthemannedspacecraft.Chinalaunchesmannedspacecraft,makingChinatheveryfewcountriesthatcanlaunchamannedspacecraft,YangLiweissuccess.ObjectiveToverifyreliabilit...
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- Thetwospacecraftrendezvousedsuccessfully.Ipacedinthepeacefulspacecraft.Andheborrowedtoomuchmoneytorentaspacecraft.Gravityacceleratesspacecraftastheyfalltowardsthesun.Hewasspeakingofthespaceshuttle,anoldbutarguablyserviceablespacecraft.Thespacecraftbu...
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- GravitybalancetechniqueofactivedockingringforspacecraftdockingtesttableThetestbedcansimulatedifferentspacecraftdockingdynamictestsbyadjustingthesimulator.NaturalfrequencyofhydraulicstewartplatformusinginspacecraftdockingmechanismtestsystemTheexpertss...
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- spacecraftlaunchingcomplexOutputtrackingproblemsfornonminimumphasesystemexistedinmanypracticalproblem,suchasaircraftflightcontrolling,spacecraftlaunchingandflexiblemanipulation,areconsidered.China'sspacecraftlaunchingsitesarecapableofmakingbothdomes...
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- Anunmannedspacecraft.ChinalaunchesfirstunmannedspacecraftsendanunmannedspacecrafttoMarsSince1960,somethreedozenunmannedspacecrafthaveblastedoffforMars.spaceprobe(unmannedspacecraftwhichobtainsinformationaboutspaceandtransmitsitbacktoearth)Theunmanned...
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- spacecraftorbitcontrolAndtheweightofthespacecraftorbit,therocketneededtoprovideenergyandspeedvaries,withavarietyoftrackbetweenthespeedofacertainrelationship....
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