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
- 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。 - For the public address system in free field, which has multiple loudspeakers, it also has the same effect.
对于具有分布式扬声器的窒外扩声系统，也有类似的效应。 - 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 - Design on the Public Address System of Chongqing Fuling Stadium
重庆涪陵体育场扩声系统设计 - In this paper, the loudspeaker array in the public address system is described.
叙述扩声系统用的扬声器组阵。 - Mr Uriel explains that a team of eight people can control every camera, exit and public address loudspeaker and so ensure that bottlenecks do not form ( the police have their own conventional closed-circuit TV system for crowd monitoring).
乌列解释说，一个由8人组成的团队，就能够监控每一个摄像头、出口和公共场所的扩音器，以此保证不会出现瓶颈（警方有其自己常规的闭路电视系统来监控拥挤现象）。 - Public Address System ( abbreviated as PAS) is a necessary equipment for public places such as intelligent building, airport, railway station and integrated building and has a wide range of applications.
公共广播系统（PublicAddressSystem，简称PAS）是智能大厦、机场、车站、综合大楼等公共场所所必备的设备，其应用范围极为广泛。 - 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。 - 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。 - The public address system in the hospital was used for paging.
医院里的扩音系统用来呼叫人名。