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问题详情

The use of pulse groups and extremely precise timing at each Loran-C station makes possible the use of（）.

A、High frequency pulses

B、Combinations of high and low frequency pulses

C、The same frequency for all stations in a chain

D、Varied long and short pulse

时间：2022-01-03 23:09 关键词： GPS、DF及LC的使用

答案解析

C

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