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
- 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 - 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。 - 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。 - 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。 - 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。 - 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 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。 - They tried to adapt the public address system into a radio transmitter.
他们想法把广播设备改装成无线电发报机。 - 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