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
- 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。 - A proposal on acoustic characteristic indices of public address system in a Hall
厅堂扩声系统声学特性指标的建议 - Distributing Public Address System and the Special Delay-time Device
分布式扩声及其专用延时器的研制 - 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。 - As the aircraft was fresh off the assembly line, I can assure you that there was no problem with the public address system, but the speakers 'accents left more than a few passengers confused as we were tossed about over the Bay of Bengal.
由于飞机是刚刚出厂投入运营，我可以肯定，机上的公共广播系统没有任何问题，但由于发言者的口音问题，当我们在孟加拉湾上空颠簸不已的时候，若干的乘客困惑不已，不知所措。 - 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 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。 - 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。 - Private health care institutions are useful complement to public medical and health institutions, and training and development of private medical and health institutions will address the problems of current health care system in our country.
民办医疗卫生机构是公立医疗卫生机构的有益补充，培育和发展民办医疗卫生机构将解决目前我国基层卫生服务体系存在的问题。 - 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。