With the temperature unchanged, the air is made to reach condensation by adding water.

在温度不变时，通过加入水汽而使空气达到饱和。

youdao

But though the average temperature is unchanged, the climate is not.

但是，尽管平均温度没变，并不意味着气候没变。

youdao

In this paper, a method of determination of the freezing point with "a ice water bath of lower and unchanged temperature, lower cold in part, airtight tube, stirring with a machinery" is reported.

采用“固定冷浴温度、局部过冷、密封样品管、机械搅拌”的方法进行溶剂或溶液凝固点测量，与传统方法相比，它具有操作简单、结果准确、重现性好的优点。

youdao

But though the average temperature is unchanged, the climate is not.

ECONOMIST: Geoengineering