aeroanion

常见例句

• Aeroanion is sanative,which is called air vitamin and growth factor,so aero-anion concentration is the important index of assessing air quality of tourism environments.
  对空气负离子的基本概念、空气负离子的产生机理与保健医疗作用、旅游环境中空气负离子的评价方法与浓度分布规律的研究进展进行了总结。
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