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淡水池塘养殖
释义
淡水池塘养殖
Encyclopedia
农学
淡水养殖模式
释
freshwater aquaculture in ponds
淡水池塘养殖
利用池塘进行淡水水生经济动植物的生产方式。池塘指比湖泊小的水体,为便于生产和管理,面积一般在15万平方米以下。
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transitive closure
transitive design
transitive digraph
transitive embedding theorem
transitive extension
transitive functional dependency
transitive graph
transitive group
transitive group action
transitive group of motions
transitive G-set
transitive law
transitive measure-preserving transformation
transitive monomial group
transitiveness
transitive operation
transitive permutation group
transitive points
transitive pseudogroup
transitive reduction
transitive relation
transitive representation
transitive set
transitive structure
transitive subgroup
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