|
颗粒碰撞噪声检测系统校准规范
Calibration Specification for PIND(Particle Impact Noise Detection)
价格：￥0.00
|
|
|
|
|
|
声发射检测仪校准规范
Calibration Specification for Acoustic Emission Instrumentation
价格：￥0.00
|
|
|
|
|
|
空气超声测量仪校准规范
Calibration Specification for Air Ultrasound Measuring Instruments
价格：￥0.00
|
|
|
|
|
|
工作标准传声器(静电激励器法)检定规程
verification Regulation of Working Standard Microphones (Electrostatic Actuator Method)
价格：￥0.00
|
|
|
|
|
|
激光测振仪校准规范
Calibration Spectification for Laser Vibrometers
价格：￥0.00
|
|
|
|
|
|
次声及超声滤波器校准规范
Calibration Specificaition for Infrasonic and Ultrasonic Filters
价格：￥0.00
|
|
|
|
|
|
声频功率放大器校准规范
Calibration Specification for Audio-frequency Power Amplifiers
价格：￥0.00
|
|
|
|
|
|
Φ23.77mm标准电容传声器的自由场灵敏度级和声压灵敏度级之间的差值
Values for the difference between free-field and pressure sensitivity levels for one-inch standard condenser microphones
价格：￥0.00
|
|
|
|
|
|
测听设备.纯音听力计检定规程
Verification Regulation of Audiological equipment pure-tone audiometers
价格：￥0.00
|
|
|
|
|
|
实验室标准传声器(耦合腔互易法)
Laboratory Standard Microphones (Coupler Reciprocity Method)
价格：￥0.00
|
|
|
|
|
