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渔业增殖放流技术
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渔业增殖放流技术
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渔业增殖放流技术
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technology of fishes resource conservation
渔业增殖放流技术
对鱼、虾、蟹、贝、藻等进行人工繁殖养殖,或者捕捞天然苗种在人工条件下培育后,将这些渔业生物科学合理地释放到渔业资源出现衰退的天然水域中,使其自然种群得以恢复的技术。
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projective fiber bundle
projective finite geometry
projective frame
projective general linear group
projective general orthogonal group
projective general unitary group
projective generation
projective generator
projective-geometric
projective geometry
projective group
projective hierarchy
projective hierarchy theorem
projective homology group
projective hyperplane
projective ideal
projective identification
projective immersion
projective incidence group
projective infinitesimal structure
projective invariance
projective invariant
projective isomorphism
projective-iterative
projective k-set
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