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1.序言 为了保护地球的臭氧层,1992年11月在丹麦召开的第4次蒙特利尔议定书缔约国会议决定,将分子内含有氯原子的氟利昂(氯氟烃=CFC)的完全废除的日期提前到1995年末。
1. Introduction In order to protect the Earth’s ozone layer, the 4th Meeting of States Parties to the Montreal Protocol in Denmark in November 1992 decided to advance the date of the complete repeal of intramolecular chlorine-containing chlorofluorocarbons (CFCs) to the end of 1995 .