Theorical and experimental investigation on programmable cam mechanism are conducted in this dissertation.
论文以可控凸轮机构为研究对象，进行了理论和实验研究。
Firstly, the pigment prepared by presynthesized tin sphene was obtained and has a good colour development. Theorical evidence was found by coprecipitation method.
首先得到了采用预先合成锡榍石制备色料效果要好于一次性合成色料的结论，为化学共沉淀前驱体合成法找到了理论依据。
In the book Course of Theorical Mechanics by Yanbai Zhou there are some mistakes about the expression of acceleration in arc coordinates, this paper has corrected them.
通过对周衍柏编写的《理论力学教程》第二版中的弧坐标中质点加速度表达式的推导作些改进。
Theorical analysis and practical simulation indicate that if the samples are of normal distribution, the modelling efficiency can be increased further by using sensible parameters.
分析和实际模拟表明，在以正态分布进行抽样的前提下，合理选取抽样样本平均值和标准差，可使抽样效率进一步提高。
Theorical analysis and practical simulation indicate that if the samples are of normal distribution, the modelling efficiency can be increased further by using sensible parameters.
分析和实际模拟表明，在以正态分布进行抽样的前提下，合理选取抽样样本平均值和标准差，可使抽样效率进一步提高。
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