The polar equation of non-circular gear pitch curve, calculation method of center distance, formula of pitch curve length, primary circle radius and pressure Angle is given.
给出了非圆齿轮的节曲线极坐标方程，两齿轮中心距的计算方法，节曲线长度、基础圆半径和压力角的计算公式。
This work has tried to apply the scaled particle theory to polar solute system, and drived a formula of salting-out constant for polar nonelectrolyte.
本文将定标粒子理论应用于极性溶质，推导出一个求极性溶质的盐效应常数表达式。
Using polar coordinate system to set out, the coordinate computing formula and the error of its approximate formula are discussed of any point in line.
本文用极坐标法放样，讨论了线路曲线中任一点坐标计算公式及其近似公式的误差大小。收藏。
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