Relative humidity, a percentage, is the ratio between the water vapor present and the air's saturation point, a figure that changes with the temperature.
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2. 提出了蒸汽相对饱和湿度（过渡函数）的定义并采用了分区计算的方法。
The relative saturation wetness (transition function) is defined and the approach by distinguishing different thermal property zones is developed.
There are plenty of water resources and land resources to be reclaimed in subsided land of mining coal with higher level of underground water on plains.
There are plenty of water resources and land resources to be reclaimed in subsided land of mining coal with higher level of underground water on plains.
