The paper studies BAF start-up and seeks a speedy, simple and reasonable method to estimate the completion of start-up and provides a theoretical basis for the quick start-up of the BAF.

目的研究曝气生物滤池挂膜启动过程，寻求用于判断挂膜启动完成的快速、简便、合理的方法，为曝气生物滤池快速启动提供理论依据。

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In any case, when the invitation comes for working on the next DSM, it would be wise -- as for any significant remodeling project -- to double the estimate for time to completion.

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He enlisted a bunch of psychology students and asked them to estimate their completion time as accurately as possible for a particular thesis.

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Unfortunately, completion is too far out to estimate a price, but its creators are hoping to one day make it cheap enough for exterminators and contractors to purchase and use.

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