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water resources
水资源
地球上通过自然水的循环更新,符合一定的水质标准,能够为人类社会所广泛利用的天然淡水。
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水资源
释
water resources
水资源
地球上和近期人类可直接或间接利用的水。
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water resources
水资源
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homology of a dynamical system
homology of a Lie algebra
homology of a Lie group
homology of a polyhedron
homology of a product
homology of a ring
homology of a space
homology of a surface
homology of CW-complex
homology operation
homology product
homology ring
homology search
homology sequence
homology simplex
homology spectral sequence
homology sphere
homology theory
homology theory of bundle
homology transformation
homology transgression
homology type
homology with compact supports
homology with division allowed
homolysis
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