When the CAM is chiefly transferred movement, the choice of radius of base circle firstly is considered the roller's continuous rolling.

当凸轮机构主要用于传递运动时，基圆半径的选择可使滚子做连续滚动为优先考虑条件。

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Here the selection of base circle radius and its effect upon the assessment of departure from roundness is discussed, and the corresponding curve is given.

这里讨论了“叠加基圆法”中基圆半径的选取原则及其对不圆度评定的影响，并作出关系曲线。

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This paper presents a new method of form-grinding of involute gears, using a segment of involute curve produced by a smaller base circle disk to replace a desired involute curve.

本文采用较小基圆渐开线代替齿轮渐开线，创造出新的渐开线成形砂轮修整器。

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Work also would take place at the Memorial Circle, with a granite base installed around the flagpole.

WSJ: Work stalled on Thresher memorial park in Maine

''If the new government could achieve significant progress both in domestic and diplomatic fronts, the Liberal Democratic Party would secure a solid base for its rule and may smash the circle of frequently-changed governments.

BBC: Shinzo Abe (November 2012)