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。
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。
In 1995, meteorological disasters in China occurred frequently, especially the serious drought and flood in some parts of China which caused great losses of life and property.
1995年，中国气象灾害十分频繁，尤其是部分地区的旱涝灾害相当严重，给工农业生产和人民生命财产造成了巨大损失。
Drought, flood, frost and hail are major meteorological disasters with the characteristics of high frequency, wide distribution and serious conditions etc. in Shandong Province.
干旱、洪涝、霜冻、冰雹是山东省最主要的气象灾害，具有频率高、范围广、灾情重等特征。
Among the different probablities of occurances and the social and economic losses of all kinds of natural disasters, flood and drought are the most frequent and serious.
在各种自然灾害的发生机率、对社会经济造成的损失中，又以水灾及旱灾最为频繁和严重。
Water disasters such as flood, waterlogging and drought are still very heavy and even more serious.
洪涝旱灾害仍然十分严重，并有愈演愈烈的趋势；
The author makes a comprehensive study of the natural movement, human activities, eco-environment and weather to search for the solution the disasters of flood and drought.
作者将自然运动与人类活动、生态环境与气候结合起来研究，求索洪旱灾害之谜，着重探讨了其中多种生态环境因素。
This article reviews and analyzes the reasons of the disasters of the drought and flood in Changsha since 50 years of new China established.
本文回顾并分析了长沙建国50年来旱涝灾害形成的原因。
This article reviews and analyzes the reasons of the disasters of the drought and flood in Changsha since 50 years of new China established.
本文回顾并分析了长沙建国50年来旱涝灾害形成的原因。
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