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【判断题】

只有POS辅助空中三角测量才能够实现真正意义上的全自动空中三角测量。

A.
正确
B.
错误
举报
参考答案:
参考解析:
.
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举一反三

【单选题】It is now almost two years since the European Union decided to go ahead with plans to launch a satellite-navigation network to rival America’s existing Global Positioning System (GPS). For much of thi...

A.
Using of various signals for communication.
B.
Writing message or information in secret code.
C.
Automatic ally operated positioning system.
D.
Accuracy checking device.