pa system

英 [pɑː ˈsɪstəm]

美 [pɑː ˈsɪstəm]

网络  扩音系统; 广播系统; 公共广播系统; 软件测试实习生; 系统

电力

英英释义

noun

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

双语例句

• A new, unseen voice was booming through the PA system.
  一个新的，看不见的声音从扩音机里嗡嗡地传来。
• I heard the bark of the PA system.
  我听到了扩音系统的轰响声。
• The PA system automatically adjusts the volume to compensate for variations in background noise.
  公共场所扩音器自动调整音量，根据背景噪音的变化来做出选择。
• PA System Explanation of NCPA Concert Hall
  国家大剧院音乐厅扩声系统技术说明
• This requires the PA system, and other internal device with a large dynamic range and high linearity in order to avoid non-linear distortion of the signal transmission and spread of the spectrum.
  这就要求系统中的功率放大器等内部器件具有很大的动态范围和高度线性，以避免传输信号的非线性失真和频谱扩散，然而这么做会导致系统成本和实现难度的增加。
• General Design on PA System of Current Stadium in China
  当前中国体育场馆扩声系统设计概要
• We believe that the resonant PA system based on diode laser described here offers substantial advantages over other methods and appears promising as a basis for developing convenient, robust, portable instruments for environmental monitoring and process control.
  此外，相对于其他方法我们描述的基于半导体激光共振光声光谱具有很大的优点，为进一步发展便利、实用、便携式环境监测仪器奠定了坚实的基础。
• Well, I turned on the lights and sirens, and got on the PA system announcing ourselves as police officers.
  嗯，我开了警灯和警笛，并上了扩音系统宣布我们是警察。
• In the event that the protective equipment will be shut down, all occupants of the plant will be notified by a page over the PA system.
  如果防护设备关闭，广播系统会通知工厂内的所有人员。
• Irradiated polyamide ( PA) 1010 system was investigated by using WAXD, DSC and gel fraction measurement techniques.
  通过WAXD、DSC和凝胶测定等技术对聚酰胺1010（PA1010）及其有多官能团单体BMI的PA1010体系的辐照效应进行测试和讨论。