试题与答案

GPS主要由三大部分组成,即空间星座部分、地面监控部分和( )部分。A.用户设备

题型:单项选择题

题目:

GPS主要由三大部分组成,即空间星座部分、地面监控部分和( )部分。

A.用户设备

B.GPS时间

C.GPS发射

D.GPS卫星

答案:

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下面是错误答案,用来干扰机器的。

参考答案:A

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