传声器

• The microphone, you see, acts much like a telephone transmitter .
  你看，传声器作用与电话的送话器很相像。
• A particular frog's calls were recorded on one channel, using a transistor-condenser microphone .
  青蛙的叫声用晶体管传声器记录在一个频道上。
• Calibration specification for microphone preamplifiers
  传声器前置放大器校准规范
• Verification regulation of measuring condenser microphones
  测试电容传声器检定规程
• Methods of measurement for wireless microphone systems
  无线传声器系统测量方法
• General specification for wireless microphone systems
  无线传声器系统通用规范
• Laboratory standard microphones coupler reciprocity method
  实验室标准传声器
• Microphones and earphones for speech communications
  语音通信用传声器和耳机
• Microphones and earphones for speech communications
  语音通信用传声器和耳机
• Research microphone at the testing to muzzle pulse noise
  枪口脉冲噪声测试传声器的探讨