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Heilongjiang water conservancy
释义
Heilongjiang water conservancy
Encyclopedia
工学
〔地方水利〕
释
Heilongjiang water conservancy
黑龙江水利
黑龙江省是中国东北老工业基地,国家粮食主产区,境内江河纵横、湖泊众多,水资源相对丰沛。水利事业重点领域主要包括水资源开发利用与保护、防洪除涝、农田水利、水土保持、水利改革等内容。
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projective space
projective space over a scheme
projective special linear group
projective special orthogonal group
projective special unitary group
projective spectrum
projective spectrum of a ring
projective stationary set
projective straight line
projective structure
projective subcone
projective subspace
projective surface
projective symplectic group
projective system
projective system of topological groups
projective technique
projective tensor
projective test
projective theorem
projective theory of surfaces
projective topology
projective torsion
projective torsion tensor
projective tower
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