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river fishery environment
释义
river fishery environment
Encyclopedia
农学
江河渔业环境
释
river fishery environment
江河渔业环境
江河中渔业生物赖以栖息、生长、繁衍、洄游的内陆水域生态环境。主要包括江河的地理环境、水文环境、理化环境和生物环境等要素。各种环境因素相互影响,共同作用,形成了具有各自特色的江河渔业。
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invariant measure on a topological group
invariant measure problem
invariant method
invariant metric
invariant module
invariant object
invariant of a group
invariant of a manifold
invariant of an Abelian group
invariant of a quadratic form
invariant of collineation
invariant of contact
invariant of intersection
invariant of order p
invariant of structure
invariant operator
invariant pendulum
invariant plane
invariant point
invariant polynomial
invariant principle
invariant procedure
invariant property
invariant random variable
invariant relation
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