arbores
英
美
网络 树木
双语例句
- Under the different tree environment, the aero-anion horizontal difference is remarkable; ( 3) In the city ecology environment, the concentration of air anions and CI had no significant differences when the stand structure of arbores were different;
在城市环境下，不同林分结构类型的乔木片林对空气负离子水平以及空气质量指数（CI）的影响差异不显著；（4）天气条件对绿地的空气负离子水平存在显著影响；