This paper discusses two of these variables, residual sludge wastage, regurgitant sludge wastage, and figures out their different effect in the control process.
重点研究了污泥总量控制，分别讨论了剩余污泥排放量、回流污泥排放量这两个操作变量在调控污水处理过程中的表现。
The study of case figures, sequence diagram and collaboration diagram in UML is carried out in this paper.
文中对统一建模语言uml中的用例图、时序图和协作图进行了深入研究。
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