For studying characteristics of urban vehicular pollution so as to suggest the optimal control target for policy making, a mathematical optimizing model was developed.
为研究城市机动车污染特征，实现污染物排放的最优控制，提出研究排放控制目标的数学优化模型。
The mathematical model of typical heat pump dryers is given, and the optimizing algorithm for the heat pump dryer parameters is also given.
给出了典型热泵干燥装置的数学模型和热泵干燥装置参数优化的算法。
In this paper, a mathematical model is proposed for optimizing the block placement during ship docking in consideration of uncertain combined stiffness of blocks.
提出了一个考虑支墩组合刚度不确定性的船舶坐墩支墩配置优化设计的数学模型。
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