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。
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.
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