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单选题
In the description of the airplane＇s Flight Instruments, any new kinds of flight instruments shall be briefly described and principle of operations explained.
A
A.描述飞行仪器系统时，应简要描述说明任何新型飞行工具的工作法则。
B
B.描述飞行仪器系统时，应简要描述并说明任何新型飞行仪器的工作原理。
C
C.描述飞机飞行仪表系统时，应对任何新型飞行仪表进行简要描述并解释其工作原理。
答案解析
正确答案：C
相关知识点：
描述飞行仪表要述新原理
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