我国现有的估算卤代温室气体排放量的方法(传统的“自下而上”方法)，还不足以对其减排进程和效果进行实时评估。

The emissions of halogenated greenhouse gas can be assessed via the "bottom-up" method, but this method is not good enough to real-time evaluate the reduction processes and effects.

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挥发性卤代烃是大气中的痕量气体，对臭氧层损耗和温室效应有重要作用。

Volatile halocarbons are important atmospheric trace gases, which play significant roles in stratospheric ozone depletion and in the greenhouse effect.

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