“pond culture of crustaceans”的概念、定义、翻译、参考文献-科学参考

单词	pond culture of crustaceans
释义	pond culture of crustaceans Encyclopedia 农学甲壳类池塘养殖释 pond culture of crustaceans甲壳类池塘养殖利用池塘进行虾、蟹等经济动物养殖的一种生产方式。是人们通过苗种和饵料等物质投入，以及调控养殖环境条件，获得良好经济产出的系统活动。
随便看	direct probability integral method direct problem direct product direct product algebra direct product decomposition direct product factor direct product group direct product G-set direct product lattice direct product Lie group direct product mapping direct product module direct product of algebras direct product of distributions direct product of groups direct product of modules direct product of rings direct product of sets direct product of sheaves direct product of topological groups direct product ring direct product set direct product space direct product topology direct proof

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