Accordingly, it requires much higher detecting precision on the position of spherical circular hole, and adopting noncontact measuring methods when detecting.
相应地，对球面圆孔位置的检测精度提出了很高的要求，并且检测时要求采用非接触测量形式。
参考来源 - 球面孔系坐标非接触测量系统的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
相应地，对球面圆孔位置的检测精度提出了很高的要求，并且检测时要求采用非接触测量形式。
Accordingly, it requires much higher detecting precision on the position of spherical circular hole, and adopting noncontact measuring methods when detecting.
本文阐述了椭圆孔及圆球面成形原理，介绍了利用万能铣床加工椭圆孔及圆球的方法。
The forming principle of elliptical hole and the ball surface is illustrated in this paper, and it also introduces the processing method to elliptical hole and the ball surface with universal miller.
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