Alpha, therefore, is not changing with time; it is varying through space.
所以，阿尔法值不随着时间而变，而是随位置改变。
Basic rule of cleanness factor changing with time is taken.
得到凝汽器清洁系数随时间变化的基本规律。
The characteristic property of a transient operation is that something is changing with time.
非稳态操作的本质特征就是某变量是时间的函数。
The characteristic property of a transient operation is that something is changing with time.
非稳态操作的本质特征就是某变量是时间的函数。
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