2478. 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

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。

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。

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

设备系统操作理论翻译

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885. Magnetic Chip Detector ( ) is a magnetic plug in sumps of lubricated components for detection of internal failure of the component

884. The moment is the product of the weight of an item multiplied by its arm

883. 监视无线电高度计指示器。

882. Turn the aileron control wheel quickly counter-clockwise

881. 机械员拆下钢索滑轮,详细检查周围区域,没有发现其他缺陷。

880. L1登机门飞行机组位置救生衣未安装。

879. 燃油样品检查发现有微生物污染。

878. The positive pressure relief valves are fail safe devices that bleed fuselage pressure overboard if the aft outflow valve fails closed

877. It is difficult to understand the words, especially who from out of the area

876. However, this operation is recommended to decrease the drying time