While there is the analysis of node tolerance with parameter equation on approaching along a straight line with equal step.

同时，对具有参数方程形式表示的非圆曲线进行了等间距直线逼近的节点误差分析。

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Two-point form of straight-line equation is a mathematical model delineating the straight line joined by any two points in a plane.

两点式直线方程是描述平面上任意两点所连直线的一个数学模型。

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