public address system

英 [ˌpʌblɪk əˈdres sɪstəm]

美 [ˌpʌblɪk əˈdres sɪstəm]

n.  扩音系统

计算机

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.
  1. 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。

英英释义

noun

• an electronic amplification system used as a communication system in public areas
  Synonym:P.A. systemPA systemP.A.PA

双语例句

• 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。
• You can use any of the public IP address configured for the IBM SONAS system to mount the NFS export.
  可以使用为IBMSONAS系统配置的任何公共IP地址挂载NFS导出。
• 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。
• But as I picked up the wireless microphone and began my speech, I realized in horror that my public address system was silent.
  但正当我拿起无线话筒开始发言时，我惊恐地意识到我的扩音器不起作用了。
• 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
• 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。
• 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。
• 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。
• 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。
• 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。