The A40B series of precision current shunts come standard with a report of traceable calibration including data.
一系列的A40B精密电流分流器的标准配备的报告可追踪校准包括数据。
This report introduces the calibration apparatus which is need through the reference leak in the relative comparison method of the known leakage rate value to calibration leaks.
本文介绍的校准装置，它可以“用己知漏率值的参考漏孔相对比较法来校准漏孔”。
The bases of the new standard and some problems on the calibration of high speed wind tunnels are discussed in this report.
本报告论述了新指标提出的依据，并就流场校测的一些问题作了简要讨论。
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