互易技术 meaning in English

reciprocity technique

Precision method for pressure calibration of one - inch standard condenser microphones by the reciprocity technique
采用互易技术对1英寸标准电容传声器进行压力校准的精密方法
Method precision for pressure calibration of one - inch standard condenser microphones by the reciprocity technique
采用互易技术对1英寸标准电容式传声器进行压力校准的精确方法
Measurement microphones - part 2 : primary method for pressue calibration of laboratory standard microphones by the reciprocity technique
测试传声器.第2部分:用互易技术对实验室标准传声器进行压力校准的主要方法
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