This paper analyzes extended DDA circle interpolation method. Judge of termical point formula is given.
本文分析了扩展的DDA园弧插补方法，给出了终判公式。
A new graphic method to determine the upper support point of hydraulic lifter for circle gates was presented and discussed.
论述了确定弧形闸门液压启闭机上支点位置的图解法。
A easy practical method (so called engineering method) is provided to find inflex-circle and Ball-point with its CAD.
本文提出了一种求拐圆与鲍耳点的简易而实用的方法及其CAD。
After analyzing the advantage, shortcoming and implement principle of the point-by-point comparing method, beeline interpolation, circle interpolation are realized.
通过对逐点比较法的优缺点及其实现原理的研究，采用逐点比较法实现了直线以及圆弧的插补运算。
Based on the synthesis theory concerning the mixed point straight-line four-bar linkage in the special condition, a research method with the circle center and circle point as parameters is proposed.
对在特殊条件下混合点直线四杆机构的综合进行了研究，以圆心、圆点坐标为研究混合点直线四杆机构的参数，推导出一般条件下的综合公式并用实例验证了公式的正确性。
Based on the synthesis theory concerning the mixed point straight-line four-bar linkage in the special condition, a research method with the circle center and circle point as parameters is proposed.
对在特殊条件下混合点直线四杆机构的综合进行了研究，以圆心、圆点坐标为研究混合点直线四杆机构的参数，推导出一般条件下的综合公式并用实例验证了公式的正确性。
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