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Environment statistics
The development of methodologies and data collection in support of the development and harmonization of national and international statistics on the environment.
Industry: Environment
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Environment statistics
地面臭氧
Environment; Environment statistics
臭氧目前為二次污染物在大氣低層，其它污染物可以增強其形成的地方。在 0.1 分之以上的級別是劇毒的 萬 （p.p.m）。。又見臭氧。
