问题
单项选择题
（）is capable of finding any 406MHZ beacons no matter where they are.
A.Local User Terminal
B.Spacecraft
C.Local-mode coverage
D.Near polar orbiting satellites
答案
参考答案：D
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（）is capable of finding any 406MHZ beacons no matter where they are.
A.Local User Terminal
B.Spacecraft
C.Local-mode coverage
D.Near polar orbiting satellites
参考答案：D