“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	rational root rational rotation number rational ruled surface rational set rational simple algebra rational singularity rational singular point rational solution rational space rational space curve rational spectral density rational spiral rational sum rational surface rational system organization rational tangle rational term rational tetrahedron rational transformation rational triangle rational trigonometric sum rational use of drug rational use of drug in aircrew rational use of medicines rational utilization of grassland resource

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。