public address system
英 [ˌpʌblɪk əˈdres sɪstəm]
美 [ˌpʌblɪk əˈdres sɪstəm]
n. 扩音系统
牛津词典
noun
- 扩音系统
an electronic system that uses microphones and loudspeakers to make music, voices, etc. louder so that they can be heard by everyone in a particular place or building
柯林斯词典
- N-COUNT 扩音系统（缩略形式为PA）
Apublic address systemis a set of electrical equipment which allows someone's voice, or music, to be heard throughout a large building or area. The abbreviationPAis also used.- The news was announced on the public address system at the high school.
消息是在这所中学的广播里宣布的。
- The news was announced on the public address system at the high school.
英英释义
noun
- an electronic amplification system used as a communication system in public areas
双语例句
- Based upon the project of Nanning International Conference& Exhibition Center, this article introduces the structure and the design and debugging methods of a new digital public address system.
本文以南宁国际会议展览中心为例，介绍了一种新型的数字化公共广播系统的组成、设计与调试方法。 - 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。 - Oh, I think they're announcing my flight over the public address system. I'd better be going.
啊！我听到扩音器在广播我的班机了，我该走了。 - In my cluster, eth0 is the public IP address of my system.
在我的集群中，eth0是我的系统的公共IP地址。 - They said they would page him over the public address system.
他们说他们要借广播系统寻找他。 - Design on the Public Address System of Chongqing Fuling Stadium
重庆涪陵体育场扩声系统设计 - The captain spoke to the passengers over the public address system.
船长通过播音装置向乘客讲话。 - Analysis of Digital Public Address System Application in the Civil Airport
试论数字化广播系统在民航机场的应用 - Both a microphone for audio recording and speakers as part of a public address system can be connected to the cameras.
双麦克风使得相机具有录音和喇叭功能，并作为公共广播系统能被连接到相机。 - Some problems of the power transmission circuit in the public address system are discussed.
探讨了定压式公共广播系统传输线路的一些问题。