关键词：“点圆式”工作法 外延管理 内涵管理 [gap=920]Key words: Point-Circle method, extension management, intension management.
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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。
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