With using absolute optical interferometer for measuring length of block gauge, it is necessary to solve the problem of phase jump for reflecting of light on its surface.
在用绝对光波干涉法测量量块长度时，必须解决光在量块表面反射时的位相跃变问题。
Optical fiber gauge is introduced, its non-electricity signal at measuring site will provide powerful guaranty of essential safely.
本系统由于采用了本质安全的光纤传感器技术，现场完全避免了电信号的引入，在安全上有可靠的保障。
Describe and review measurement methods such as attribute screens, gauge blocks, calipers, micrometers, optical comparators, tensile strength, titration, etc.
描述和评价测量方法，例如：属性筛选法、块规法、测径器、千分尺、光学比较仪、抗张强度、滴定等。
Describe and review measurement methods such as attribute screens, gauge blocks, calipers, micrometers, optical comparators, tensile strength, titration, etc.
描述和评价测量方法，例如：属性筛选法、块规法、测径器、千分尺、光学比较仪、抗张强度、滴定等。
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