The structure and principle of two new types of cutting tools (bevel wedge type and eccentric type) for boring O-ring grooves have been introduced in this paper.

本文介绍了斜楔式和偏心式两种新型内孔挖槽刀具的结构和原理。

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Abrasive machining for eccentric shaft of rolling cut type sizing shear has been described in this paper.

介绍用磨削方式加工临钢滚切式定尺剪偏心轴的方法。

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The article describes the analysis and deduction of the moving equation of eccentric double disc type grinding machine and finds out two optimum cycloid movements on the grinding machine.

本文通过对三偏心式双研磨机床的运动方程的推导和分析，找出在同一研磨机上实现两种摆线轨迹的最佳方案。

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The second piece of evidence pointing to is the eccentric orbit of an existing planet around the star, which is in an orbit not normally expected in this type of system.

FORBES: Astronomers Discover A Star That May Have Destroyed Its Own Planet