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渔业生物产卵场保护
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渔业生物产卵场保护
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渔业生物产卵场保护
释
protection of fisheries spwaning ground
渔业生物产卵场保护
采取一定的措施,对鱼类、头足类、虾蟹类等基于性成熟的生理刺激集群产卵的水域进行维护或改善的活动。
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symplectic reduction
symplectic semisimilarity transformation
symplectic space
symplectic structure
symplectic topology
symplectic transformation
symplectic transformation group
symplectic transvection
symplectic vector field
symplectic vector space
symplectomorphism
symplesiomorphy
Sympodial bamboo
sympodial branching
sympodioconidium
sympodium
sympodula
sympodulospore
sympolyandria
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symport
Symposium
Symposium on Implementation of Urban and Rural Planning in China
Symposium on Novels of the Countryside
Symposium on the History and Theory of Urban Planning
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