英语语法分析

The closed relation of extremal supporting and extremal sets is given by using affine set supporting.

用仿射集支承揭示了端支承仿射集与端集的密切关系。

The use of genetic algorithms achieve about extremal function of problem solving, function has been give.

使用遗传算法实现关于函数极值问题的求解，函数已给出。

For the general hexagonal chains, the extremal problem of some important types of conjugated molecules have been solved previously.

对于一般的六角链，一些重要类型的共轭分子的极值问题已得到解决。