Many dynamic calibration apparatus in the frequency domain can not give the phase-frequency response of the tested system.
许多频率域动态校准装置只能给出被校系统的幅频特性，缺乏相频特性。
The dynamic flow method UHV standard apparatus is an absolute vacuum standard for vacuum gauge calibration.
动态流量法超高真空标准装置是用于校准真空规的绝对真空计量标准。
The methods of the constant volume and the dynamic comparison of quantitative gas are used in the calibration apparatus of pressure leak to calibrate the pressure leak.
正压漏孔校准装置可采用定容法和定量气体动态比较法进行正压漏孔的校准。
The methods of the constant volume and the dynamic comparison of quantitative gas are used in the calibration apparatus of pressure leak to calibrate the pressure leak.
正压漏孔校准装置可采用定容法和定量气体动态比较法进行正压漏孔的校准。
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