电影中表现时间和空间转换的技巧之一。
铣削平面零件内槽的封闭轮廓时，切入切出不能有外延部分。
Slot milling with flat parts of the closed contour, the cut can not cut out part of the extension.
研制了一种摆动式微电磁驱动器，用其驱动反射镜切入和切出光路。
A new kind of MEMS electromagnetic micro actuator was developed, which can drive mirrors enter or leave the optical path of the switch.
对在数控加工中应用圆弧插补时，如何确定刀具的切入和切出。从生产实践中，提出了几种实用的方法。
While using arc slotting in the process of numerical control, how to determine the ways of cutter cuts-over and cuts off, this paper puts several practical ways from production practice.
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