品位快速测量
Rapid measurement of grades
频域测量
measurement in frequency domain
频移测量
frequency shift measurement
频响测量
frequency response measurement
频闪干涉测量系统
Stroboscopic interferometer system
频谱梯度声纳回波测量
spectral gradient acoustic reflectometry
频偏测量
Frequency deviation measurement
频率响应特性测量
Freqency response characteristic measurement
频率相位测量
frequency and phase measurement method
频率稳定度测量
Frequency stability measurement
频率跟踪测量
frequency-tracing measurement