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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

      双语例句

      • 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。
      • 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。
      • 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。
      • 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。
      • The only unexpected turn occurred when the familiar "Attention Wal-Mart shoppers" announcement over the public address system broke into the ceremony.
        唯一出乎意料的是在结婚典礼上突然响起公共播在台播放的”沃尔玛顾客们注意了“这句令人熟悉广播语。
      • 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。
      • 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
      • 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)。
      • Someone cranked up the volume of the public address system
        有人调大了公共广播系统的音量。
      • 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。