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

• 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。
• 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。
• 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。
• 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
• If the public address system is operated below but too close to the instability condition the frequency shifter can reduce effectively the interference of the regenerative reverberation.
  若语言扩声系统临近不稳定状态工作，频移器可以有效地减少再生混响干扰。
• 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。
• 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。
• 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
• The captain spoke to the passengers over the public address system.
  船长通过播音装置向乘客讲话。