> Each system has a receiver which is located in an avionics compartment and which is tuned either automatically from the FMS or manually from the relevant NAV control panel.
A.每一个系统有一个接收器,这个接收器位于电子舱。电子舱内可以对FMS自动调谐,或是对相应的NAV 控制面板手动调谐。 B.每一个系统有一个接收器,这个接收器位于电子舱。接收器可以通过FMS自动调谐,或是通过相应的NAV 控制面板手动调谐。 C.每一个系统有一个电子舱接收器,接收器可以被FMS远程调谐,或是通过相应的NAV控制面板手动调 谐。正确答案B