The assumptionof constant relative humidity is important, because water vapor in the atmosphere is another efficient absorber of radiation at infrared wavelength.
相对湿度恒定的假设是重要的，因为大气中的水蒸气是红外波长辐射的另一种有效吸收剂。
2
Another factor contributing to the tendency to deny the assumptionof a fixed human nature was that the concept has so often been abused as a shield behind which the most inhuman acts are committed.