Some points about the CAD of the accuracy in involute cylindrical gears are to be approached in this thesis, which can improve the reasonableness and the accuracy grade of designing.

该文介绍渐开线圆柱齿轮精度的计算机辅助设计及计算的有关问题，对提高齿轮精度设计的准确度及其合理性有一定的实际指导意义。

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Born from a need to re-create mixed drinks in perfect proportion, Bartendro uses food-grade tubing, pumps and custom-built electronics to pipe liquids out with a measurement accuracy of a milliliter.

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