空氣污染

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因天然或人工燃料的燃燒、工業化學或其它製程、甚或核爆炸等,而在大氣中出現大量氣體、固體或放射性物質。

air pollution

Presence in the atmosphere of large quantities of gases, solids and radiation produced by the burning of natural and artificial fuels, chemical and other industrial processes and nuclear explosions. (Source: GUNN)