1.有线广播系统
2.机上广播系统
3.扩音系统
1.a system of electrical equipment used for speaking or playing music in a large building or area. The more usual word is PA system.
1.A public address system installed in a building or other region being monitored can communicate with a regional fire detection system.
安装在建筑物或正在监视的其他区中的公共地址系统能与区域火灾检测系统进行通信。
2.Another passenger wrote that the public address system on the train kept explaining that the breakdown was due to the heavy rain.
另一名乘客写道，列车上的公共广播系统不停解释说故障是由于暴雨引起的。
3.They tried to adapt the public address system into a radio transmitter.
他们想法把广播设备改装成无线电发报机。
4.Decades ago, I visited a ministry center in West Africa and saw a little girl climb onto a truck that had a public address system.
十多年前，我去非洲西部的一个事工中心参观。在那里，我见到一个小女孩爬上一台宣传车；
5.Miss Frasier: Please have someone set up the public address system in the main ballroom tonight.
傅蕾琪小姐：请找人把今晚演讲用的播音系统装在大的舞厅里。
6.When classes finish, the following words are spoken over the public address system: "Boys and Girls, get ready for the prayer. "
下课的时候，广播系统里诵读：“男生们和女生们，准备祈祷吧。”
7.Digital HD video surveillance, burglar alarm, access control attendance, the public address system design and construction.
数字硬盘录像监控、防盗报警、门禁考勤、公共广播系统设计施工。
8.just after his flight landed in New York City, he unleashed an expletive-laden tirade over the plane's public address system.
在纽约降落之后，他通过机场的公共广播激动地发表了一通满是咒骂的长篇大论。
9.Bakker notices something age-unfriendly as soon as she walks in: the upbeat music blaring from the store's public address system.
巴克通知书什么年龄不友好她尽快走在：乐观音乐商店的高音广播系统。
10.Public address system, where specifically required by other sections of this code.
公共扩音系统，由本规范其他节特别要求。