These researches are important to prepare against and reduce disaster and to improve city environment quality.

这些研究为我国城市排水减灾、防洪减灾、提高城市环境质量起着重要的作用。

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According to FEMA, the Whole Community approach is based on the recognition that it takes all aspects of a community to effectively prepare for, protect against, respond to, recover from, and mitigate any disaster.

WHITEHOUSE: Strength in Numbers