本文从多方面论证了准备活动的必要性与可行性并提出了建议和方法。
The author argues for the need and feasibility of such activities from many aspects and puts forward Suggestions and ways at the end of this paper.
分析了南京市中水回用前景，指出其中水回用的必要性与可行性，提出一些建议。
This article has analyzed in Nanjing the reclaimed waters recycling use prospect, had pointed out reclaimed water recycling use necessity and the feasibility, put forward some proposals.
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