severi中文是什么意思

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On the basis of deficiency of study on regional drought and severi ty of droughts in chongqing , this article analyses the cause of formation of droughts , characteristic and distribution in chongqing , and puts forward to system of targets assessment main parameter and calculation technology for drought economic losses of chongqing directing against the blank of quantitative research of economic losses of the droughts in chongqing , moreover combining with qualitative methods and quantitative methods . at last , this article analyses the economic losses and impact on social economy of chongqing in an all - round way by an example of the mid - summer drought in 2001 , in order to offer reference that quanti tat i ve research on droughts economic losses and disaster economic losses for chongqing even southwest
本文基于区域旱灾研究的不足和重庆市旱灾的严重性，在分析重庆市旱灾成因、特点和分布的基础上，针对重庆市旱灾经济损失定量研究的空白，将定性方法与定量方法相结合，提出了重庆市旱灾经济损失评估的指标体系、主要参数及计算方法，并以2001年重庆市伏旱为例，全面分析了重庆市伏旱经济损失及其对社会经济的影响，为重庆市乃至西南地区旱灾经济危害和灾害经济损失的定量化研究提供参考。