A general mathematical model of excavator truck Optimal fit in Open pit mines is derived. An Optimal fit computation is taken as an example of the mine of Emei Cement Plant.
本文推导了一般露天矿山铲—车优化配置的数学模型表达式，并以峨眉水泥厂矿山为例进行了优化配置计算。
Plant extracts as the general language of the herbal drugs in other countries, were the real expressional model of TCM entering into international market.
植物提取物作为草药在各国应用的通用语言，是我国中药目前进入国际市场的一种较现实的表达方式。
On the basis of some hypotheses of the state variation of air, a general mathematical plant model is constructed. The model indicates that the system is an affine nonlinear system.
在对系统气体状态变化作一些合理假设的基础上，本文较为详细地推导出系统比较完整的数学模型。
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