水污染物的总量控制是建立在天然水体对污染物具有稀释扩散和自净作用理论上，即天然水体对污染物具有一定环境容量的基础上。
Total emission control of water pollutants is based on natural water dilution of pollutants and autopurification theory, in another word, natural water has some environmental capacity on pollutants.
污染物总量控制的技术关键是污染源与水质目标之间的响应关系。
The technical key of total emission control is the response relationship between pollution sources and water quality object.
它是污染物总量分配和总量控制的基础。
It is the basis of total amount of pollutants allocation and controlling.
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