A general mathematical formula for calculating the size composition of grinding medium which is simple and practical and can be used in direct calculation and further optimization study is described.

介绍了一种简单实用、可用于直接计算和进一步优化研究的磨矿介质配比计算数学通式。

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So, study and apply the advanced method of analysis and calculation, solve the problem of optimization of the SCARA robot's structure, which is very important and valuable.

因此，研究和应用先进的分析计算方法，解决结构的优化问题，具有十分重要的理论意义和实用价值。

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Objective To study the method for dose calculation and beam weight optimization of intensity-modulated radiation therapy (IMRT).

目的研究调强放射治疗(IMRT)剂量计算与射野权重优化方法。

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