To this end, the authors adopted a variable boundary model to treat the tidal flat and found better results than those of the fixed boundary model.

为此，本文采用变动边界模型处理潮滩区域，并得到优于固定边界模型的计算结果。

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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 alignment is always the same as the type size; that is, a variable of type int is four bytes long and will be stored at a 4-byte boundary.

排列的方式通常和类型的大小保持一致；例如，int类型的一个变量的长度是4字节，因此要将它存储在4字节区域。

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