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河北水利
释义
河北水利
Encyclopedia
工学
〔地方水利〕
释
Hebei water conservancy
河北水利
河北省位于中国华北腹地,是工业大省和国家粮食主产区,境内地形地貌复杂多样、河流众多,经济社会用水需求大,但水资源短缺,水旱灾害多发。水利事业重点领域主要包括防洪减灾、水资源开发利用与保护、农田水利、城乡供水、水土保持、水力发电、水政管理、水利改革等方面。
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curve of steepest descent
curve of support
curve of the duplication of a cube
curve of the second class
curve of the tangent
curve of third order
curve of zero velocity
curve order
curve orientation
curve representation and modeling technique
curve resistance
curves composition
curve screen
curve setting-out
curve sketching
curve space
curve superelevation
curve surface grinding
curve teapot
curve theory
curve tracing
curve widening
curve with boundary
curve with double point
curve without boundary
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