GEMET
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Environmental
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氧气
Definition

一种气态化学元素,在细胞呼吸和燃烧过程中最基本的和最丰富的元素,在地壳中占20%的空气量。

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Scope note

Scope note is not available.

Concept URL: http://www.eionet.europa.eu/gemet/concept/5982