最值问题的解法-毕业论文参考网 关键词：最值；解法；极值 [gap=288]Key words：maximum and minimum ;solution;extremum value
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At present, entropy generation minimization and potential capacity dissipation extremum are the two principles to value heat transfer performance.
目前对传热效果的评价存在熵产最小化和势容耗散取得极值两种不同的准测。
The influence of Fengman Reservoir on the hydrologic environment of Songhua River of Harbin reach is studied on the basis of hydrologic characteristic value of 1990 in extremum relative method.
根据90年的水文特征值，研究丰满水库对松花江哈尔滨段水环境的影响。
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