
 TheElectronicFlightInstrumentSystem(EFIS)isahighlysophisticatedFlightDirectorSystem(FDS),whichusescathoderaytube(CRT)orlightemittingdiode(LED)technologytoprovideattitudeandnavigationinformation.Thissystemreplacestheelectro-mechanicaltypeofinstrumentsandpr (共 9037 字) [阅读本文] >>


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