广播: broadcast; be on the air; airing 短语和例子开始广播 go on the air; 实况广播 live broadcast; live transmissions over the radio or television; 停止广播 go off the air; 外语广播 foreign language broadcast; 有线[无线]
Broadcasting speakers are mainly used for broadcasting and are usually installed according to the principle of even distribution to serve a particular area 广播扬声器原则上以均匀、分散的原则配置于广播服务区。