接收: 1.(收受) receive; reception; accept; [电学] receipt; receiving 短语和例子接收无线电信号 receive radio signals; 接收效果良好的收音机 a radio set that receives well; 这里电视节目的接收情况不佳。 reception of tv programmes is unsat
高频保护: carrier-current protectionhigh frequency protectionhigh-frequency protection