光栅式直线位移传感器的选择；
Selection and application of gating linear displacement sensors.
研制了一种新型的密封式超长精密钢带光栅线位移传感器。
A new linear displacement sensor with sealed ultra-long precision steel belt grating is studied.
本文介绍了一种新型的基于改进傅科聚焦探测法且自带衍射光栅计量系统的非接触式位移传感器。
This paper presents a new non-contact displacement sensor with diffraction grating metrology system based on an improved Foucault focus detection method.
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