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 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。 - Therefore, the main problem discussed in the essay is that how we learn digital public address system, what the need of the civil airport public address system is, and how we connect the digital public address system with practical application at the airport.
应该怎样认识数字化公共广播，民航机场公共广播系统有些什么样的需求，怎样才能把数字化公共广播系统与机场的实际运用结合起来，这是本文主要讨论的问题。 - Design on the Public Address System of Chongqing Fuling Stadium
重庆涪陵体育场扩声系统设计 - 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。 - 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。 - 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 captain spoke to the passengers over the public address system.
船长通过播音装置向乘客讲话。 - 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。 - 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。