测量传声器

• Specification for measurement microphones - primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
  测量传声器的规范.用互逆性技术对实验室标准传声器进行压力校准的基本方法
• Measurement microphones - part 3 : primary method for free - field calibration of laboratory standard microphones by the reciprocity technique iec 61094 - 3 : 1995 ; german version en 61094 - 3 : 1995
  测量传声器.第3部分:用互易技术对实验室标准传声器进