频段卫星电视地球接收站通用规范: general specification for ku-band satellite television earth receive-only station
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]