Studies on the air irons, phytoncidere, bacteria content in forest air and forest climate show that forest is an ideal place for human's leisure and healthcare activities.
该文通过对空气负离子、植物精气、森林空气细菌含量及林区气候的研究，表明森林环境是人类理想的休闲疗养场所。
Natural cooling is provided by cool air rising from the lake, passing in through the lakeside openings and out through the clerestory Windows on the forest elevation.
湖面升起的冷空气提供了自然降温，从湖边阳台穿过林边的飘窗。
Thus, the natural secondary forest in Taihang Mountain plays a very import role in maintaining the equilibrium of CO2 and O2, regulating climate, cleaning air and so on.
由此可见，太行山天然次生林在维持大气中O2和CO2平衡、调节气候、净化空气等方面起着相当重要的作用。
In the forest the soil and air temperatures are lower, but the humidity is higher than on the open ground.
林内的土壤温度与空气温度比林外低，而空气湿度则比林外高。
It's generally accepted that the forest has the functions of cooling off the global temperature, refreshing the air, preserving soil and water, protecting the nature links and so on.
人们普遍认为森林具有降温、净化空气、保护水土和维持自然链等功能。
There are four forms of forest fire detection, and they are patrolling on the ground, observing on the watchtower, patrolling in the air and detection by the satellite from the outer space.
地面巡护、了望塔定点观测、空中飞机巡护和空间卫星监测是实现林火监测的四种形式。
There are four forms of forest fire detection, and they are patrolling on the ground, observing on the watchtower, patrolling in the air and detection by the satellite from the outer space.
地面巡护、了望塔定点观测、空中飞机巡护和空间卫星监测是实现林火监测的四种形式。
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