angular contact
... angular contact ball bearing 向心止推滚珠轴承 angular contact 斜角接触 angular coordinate 角坐标 ...
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为了实现对镜面倾斜角度的闭环控制，核心的问题是通过非接触位移传感器准确测量镜面角度。
The core of the closed-loop control system for the mirror tilting systems are displacement sensors which determine the exact positional values via the mirror movement.
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