求翻译：目的：有机染料废水是世界公认的主要工业污染源之一，常常含有难降解的有毒有机污染物，对生态环境和饮用水造成了极大的危害。因此，我选择了降解有机污染物方面的课题。是什么意思？

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Purpose: Organic dye waste water is generally accepted by the world, one of the main sources of industrial pollution often contain hardly degradable toxic organic pollutants, the ecological environment and drinking water has caused a great deal of harm. Therefore, I have chosen the degradability of

Goal: The organic dye waste water is one of universally accepted main industry sources of pollution, frequently includes the virulent organic pollutant which difficult to degrade, has caused the enormous harm to the ecological environment and the tap water.Therefore, I have chosen the degeneration o

Purpose: organic dyes waste water was recognized one of the main industrial pollution source in the world, often containing refractory toxic organic pollutants caused great harm to the environment and drinking water. Therefore, I chose the subject of degradation of organic pollutants.

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