Forests contribute to the balance of oxygen, carbon dioxide and humidity.

森林促进空气中氧气、二氧化碳和湿度的平衡。

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Water balance drought flood index is used as the agricultural meteorological index of flood and humidity harm.

洪涝和湿害的农业气象指标用水分平衡旱涝指标来表示。

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Studying on drop temperature effect, add humidity effect, balance of carbon and oxygen effect, absorbing dirt effect, killing germ effect, decreasing noise effect and air anion effect.

分析了绿地系统的降温效应、增湿效应，碳氧平衡效应，吸尘、杀菌、减噪效应和空气负离子效应。

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In conclusion, incoming energy throughout the year is constant, with no large variations, and humidity controls the balance of this energy between sublimation and melting.

UNESCO: Dublin Core