用轨迹图解法设计凸轮曲线是有效而实用的。

It is effective to design CAM curves with the method of locus and graphic.

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介绍用图解法设计排洪沟的实用经济断面，此法可达到快速、优化设计的目的，并且具有通用性好，形象直观的特点。

It introduces a diagram method for design of flood discharge trench utility section, which is more universal and vivid and can attain the goal of quick& optimized design.

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本次设计采用新参数方法来设计铲斗尺寸参数，并验证容量；同时利用图解法设计连杆机构尺寸，并对连杆机构进行受力分析及强度校核。

This design USES a new method to design parameters and verify size parameters of the bucket volume, While using graphical design method of connecting link mechanism, and analyzes forces and intensity.

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