China has a vast land,with 12% of the surface covered by forest,and has almost all kinds of characteristic plant species of the Northern Hemisphere.

 
  • 我国地域辽阔,森林占国土面积的12%25,几乎具有北半球的全部植被类型,对天然源二次有机气溶胶的研究不容忽视。
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