... radio contact 无线电联络; 无线电联系; 无线电通信 establish radio contact 建立无线电通信联络 failure of radio contact 无线电联络失效 ...
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For example, all a VFR pilot has to do to enter Class C airspace is establish two-way radio contact with ATC.
例如，VFR 飞行员进入 C 类空域所要做的就是与空中交通管制建立双向无线电联系。
He said humans were not going to be able to establish contact with the extraterrestrials through radio waves but through the power of thought.
他说，人类不能通过电波与天外来客建立联系，而能通过思想的力量建立联系。
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