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。

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The problem of the lee slope stability of dune is equivalent to the extremal problem of a functional of two-variant function with a variable boundary in this paper.

将沙丘背风坡的稳定性问题等价于一个双参变量函数的待定边界的泛函极值问题。

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The problem of the lee slope stability of dune is equivalent to the extremal problem of a functional of two-variant function with a variable boundary in this paper.

将沙丘背风坡的稳定性问题等价于一个双参变量函数的待定边界的泛函极值问题。

youdao