本文介绍了一种长光栅副相对旋转测角的新技术。

This paper introduced a new method for the measurement of small angles by means of rotating linear gratings.

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通过轮廓间的旋转匹配，还可确定当前物体与库存物体的相对旋转角度。

The relative rotation Angle between the current object and the stock one is obtained by rotary match between their contours.

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C300旋转制粒机是用一组相对旋转碾刀，通过不锈钢筛网，把物料挤出颗粒的设备。

ZLXZ-C300 Rotary Granulation Machine uses a set of relatively rotating grinding blade to extrude materials through stainless steel mesh into particles.

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One thing that I want to mention that is really important is once you have double bonds, what happens between those two atoms in the molecule is they can no longer rotate in relation to each other.

我要提醒你们的非常重要的一点事,一旦有了双键，分子中的两个原子,就不能相对旋转了。

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