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flood control of Huaihe River
释义
flood control of Huaihe River
Encyclopedia
工学
〔主要江河防洪〕
释
flood control of Huaihe River
淮河防洪
淮河流域地处南北气候过渡带,洪水灾害频繁。流域性大洪水,常常是干支流洪水遭遇,平原区洪涝并发。其防洪的重点是中下游广大平原区,有淮北平原、里下河、南四湖和沂沭河下游地区。这些地区保护的人口多达4000万~5000万人,保护的农田都在270万~350万公顷。
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infectiosity
infectious atypical pneumonia
infectious bovine rhinotracheitis
infectious bovine rhinotracheitis virus,IBRV
infectious bronchitis
infectious bursal disease
infectious bursal disease virus, IBDV
infectious canine hepatitis virus,ICHV
infectious canine hepatitis,ICH
infectious coryza
infectious disease
infectious disease informatics
infectious diseases
infectious diseases of laboratory monkey
infectious diseases of laboratory mouse
infectious diseases of laboratory rat
infectious endocarditis
infectious endocarditis,IE
infectious esophagitis
infectious granuloma
infectious hematopoietic necrosis
infectious hypodermal and haematopoietic necrosis
infectious laryngotracheitis
infectious mononucleosis
infectious mononucleosis,IM
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