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1IntroductionThevulnerabilityreferstotheextentofdamageandlossesduetoadisaster.Itreflectstheenduranceofthehumansocietyandtheirpropertiesagainstnaturaldisasters,andisafunctionofboththenaturalsystemandhumansystem.Floodisakindofnaturaldisaster.Itoccursasaresu
1 Introduction to this vulnerability refferment of the content of the land and the loss of health of humans and the nature of the natural habitat, and the function of the natural life of the system of human souls.Floodisakindofnaturaldisaster.Itoccursasaresu