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长江河道采砂管理条例
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长江河道采砂管理条例
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水利政策法规
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Regulations on Administration of Sand Excavation in the Courses of the Yangtze River
《长江河道采砂管理条例》
中国为加强长江河道采砂管理,维护长江河势稳定,保障防洪和通航安全所制定的行政法规。
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noncommutative torus
noncommutative unique factorization
noncommutative unique factorization domain
noncommutative valuation
noncommutative variables
noncommutativity
noncommuting operators
non-compact
non-compact algebra
non-compact covering property
non-compact group
non-compact manifold
non-compactness
non-compact semigroup
non-compact space
non-compact surface
non-compact transformation group
non-compact type
non-comparable
non-comparable elements
non-comparable summations
non-compatible
non-compensatory model
non-compete system
noncompetitive inhibition
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