A certain structure optimization design model that contains both position variables and size variables were given in this paper.

某型机翼内翼结构布局优化模型，包括两类设计变量：位置变量和尺寸变量。

youdao

From the thinking of both position variables and size variables, a global method that can solve the optimization problems was present in this paper.

从元件位置和元件尺寸两个方面考虑，提出了一种全局结构优化设计方法。

youdao

When a message is translated into another language, the position and order of the substitution variables might have to change to meet the syntax requirements of the target language.

当一条消息被翻译成其他语言之后，有可能需要根据目标语言的语法更改替换变量的位置和顺序。

youdao

If you think about what happens when we go from hydrogen to helium, now instead of one electron, we have to describe two electrons, so now we have six position variables that we need to plug into our Schrodinger equation.

如果你们考虑,当我们从氢到氦会发生些什么，现在我们不是要描述一个电子，我们将要描述两个电子，所有我们现在将有6个位置变量,需要加入至薛定谔方程。

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