导航: navigation; pathfinding; pilot; guide 短语和例子无线电导航 radio navigation; 天文导航 celestial navigation; 雷达导航 radar navigation; 给出港船舶导航 pilot the ships out; 由 ... 导航 under the pilotage of ..
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