在无功率控制时，问题简化为单一变量的极值问题；

Without any power adaptation, the problem becomes a typical one dimension maximum problem.

youdao

到目前为止，人均收入的增长率是决定子女比父母富裕的最重要的单一变量。

The rate of growth in per capita income is by far the most important single variable in determining whether children will be better off than their parents.

youdao

在争论这类特征很少取决于一个单一变量时，重要的是找到哪一点能与决策制定者产生共鸣。

And while the argument over including such features rarely rests on a single variable, it is important to know which will resonate with decision-makers.

youdao

So the system will not be described by a single state variable during the path.

因此系统将不能被,路径上的单一状态变量描述。

麻省理工公开课 - 热力学与动力学课程节选