题目内容

除产业迎来发展机遇外，自贸区战略也将和“一带一路”战略产生良性互动。指的是（）

A. “通路通航”主题
B. “基础设施产业链”主题
C. “能源建设”主题
D. 自贸区建设主题

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When can routine communications be resumed on a frequency or channel on which radio silence has been imposed? （）

After determining that the frequency or channel appears to be no longer in use
B. After determining that geographic distance from the distress situation will prohibit any other signal from interfering with emergency communications
C. After the Rescue Coordination Center transmits a message on the frequency or channel being used for emergency communications stating that such traffic has concluded
D. Routine communications can resume if，in the Master's opinion，communications on that frequency or channel will not interfere with emergency communicatio

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