This paper puts forward the concept of the natural historical features of historical floods and flood disasters and discusses the possible fields in which this concept may get practical application.

本文提出了历史洪水和洪水灾害自然历史特征的概念，并就其实际应用的领域和途径进行了探讨。

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Based on the historical date for the latest 2000 years, this paper discusses the statistical properties of the flood and drought disasters in Shanxi Province.

利用近2000年的历史资料，对山西省历史时期洪、旱灾害的特征及其演变规律进行了分析。

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Based on the historical data for the latest 2000 years, this paper discusses the statistical properties of the flood and drought disasters in Hubei Province.

基于近2000年来的历史资料，对湖北省历史时期洪、旱灾害的统计特征及其演变规律进行了分析。

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Witt's team clearly was also successful with the sixth step, Produce Short-Term Wins, and at least to some extent the seventh, Don't Let Up--as evidenced by FEMA's successful response to hundreds of disasters, including the most costly flood and earthquake in the nation's history to that time as well as multiple serious hurricanes.

FORBES: Changing FEMA

Not surprisingly, he does not discuss the many disasters that dot the history of public intervention (the Army Corps of Engineers and flood control come to mind).

ECONOMIST: American economic intervention