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。
Meanwhile we contrast the inspect result of the small forest climate and air concentration of negative oxygen ions, in order to be the assistant indexes for the health assessment.
同时对林内小气候和空气负氧离子浓度进行了对比监测，作为健康评价的辅助指标。
Meanwhile we contrast the inspect result of the small forest climate and air concentration of negative oxygen ions, in order to be the assistant indexes for the health assessment.
同时对林内小气候和空气负氧离子浓度进行了对比监测，作为健康评价的辅助指标。
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