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。

youdao

Operate length gauge, Use gauge block correct, operate comparing measurement.

正确使用量块，在测长仪上进行比对测量。

youdao

Through measuring cylindrical section and surface of gauge block, this system is viable to measure free-form surface and high-reflective metallic surface.

对圆柱正截面和量块表面的测量试验验证了该测量系统对自由曲面和金属强反射表面测量的可行性。

youdao

Much less do they enjoy having to tolerate politicians who limit their debates and block publication of studies that could help researchers to gauge the impact of deadly diseases.

ECONOMIST: AIDS in South Africa