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Give us a call every 5 minutes on this frequency for range check.
为了检查发射的有效距离，在这个频率上每5分钟叫一下。
youdao
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We need frequencies even higher than those we call very high frequency .
我们所需要的频率甚至比我们称之为甚高频的频率还要高。
youdao
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We need frequencies even higher than those we call very high frequency .
我们所需要的频率甚至比我们称之为甚高频的频率还要高。
youdao