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The path density of relative movement is derivative of path arc length s to lapping tool radius R i.e.

相对运动轨迹密度就是相对运动轨迹弧长 s 对磨具半径 R 的导数，即 ds/dR 。

In case of different droplet－ transfer forms,fuzzy control schemes of arc length and short－ circuit frequency are put forwords.

在不同的熔滴过渡形式下，提出了弧长和短路频率智能模糊控制方案。

So, the approximate calculating formula of parabola and the length of ellipse arc is developed by the method of finding experience formula from point of view of simplifying the calculating process and getting certain accura...

本文从既能简化计算又能达到一定精度的设想，通过找经验公式的方法给出了计算机抛物线及椭圆弧长的近似公式，并给出了常用区间上计算抛物线和椭圆弧长的一次式和二次式。

Cut six lengths of seam binding which are long enough to span the entire arc length of the canopy, with a little extra length that may be trimmed later.

削减6长度煤层具有约束力，这是足够长的跨度，整个弧长的天篷，一点点额外的长度可能削减后。

The author puts emphasis on the control method of self-adaptation arc length, the criterion of iterative convergence, and discriminant mark of failure, then, works out appropriate computer software.

重点讨论了自适应的弧长控制法，迭代收敛标准、破坏判别标志等技术问题，编制了相应的计算软件。

Even when the distance between the welding torch muzzle and the surface of the work piece changes, this control system will keep the stability of arc length, so as to achieve a stable welding process.

该系统能够在焊枪喷嘴和工件表面的距离发生变化时，保持电弧弧长一定，从而保证焊接过程的稳定。

If the length of the arc and chord of the initial pair segments is in the range of error permission,the two segments can be determined as the candidate matching pair.

最后应用候选匹配曲线段上曲率的Hausdorff距离来验证曲线段的匹配，如果该距离在一定的容差范围内，则该曲线段匹配。

Third, in processing, the arc length of cutter on the pitch curve was equal to be the length of cutter rotating around its axis in order to guarantee the generating between the pinion cutter and the blank.

第三，在加工过程中，为保证刀具和齿坯之间的范成关系，刀具在齿坯节曲线上滚过的弧长等于刀具绕其自身回转中心转过的弧长。

The calculating formula of parabola and the length of ellipse arc can be found in the old handbook of mathematics, but it is inconvenient to be used in practice, especially, the accurate value is too difficult to get to.

关于抛物线和椭圆弧长的计算公式在数学手册和有关用表中早就可见。但实际上用起来很麻烦，其精确值也较难达到。

It computes wind factors for flight data file, uses differential equations to solve for position and tension vectors as a function of arc length, and uses Runge-Kutta method for integration of ordinary differential equations.

该软件计算用于飞行数据文件的风向因素，使用不同的方程式，比如一个弧线长度函数来解决位置和牵引方向问题，使用 Runge-Kutta 方法解决综合推理差异方程式。

As of Tuesday, Google's results were still censored in China.

截至周二，谷歌的搜索结果仍受中国审查。

In order to make the positive action increase and negative one decrease, the sub-forces of the social factors must be adjusted to form a centripetal force.

在这一过程中，人的主体性发挥是社会有机体健康发展的灵魂。