“杜能环”的概念、定义、翻译、参考文献-科学参考

单词	杜能环
释义	杜能环 Encyclopedia 经济学农业区位论释 Thunen's circles杜能环德国经济学家J.H.von杜能（Johan Heinrich von Thunnen，1783～1850）提出的有关农业生产布局的圈层结构。
随便看	multiplicity of a module multiplicity of an eigenvalue multiplicity of an ideal multiplicity of a point multiplicity of a pole multiplicity of a representation multiplicity of a ring multiplicity of a root multiplicity of a singular point multiplicity of a solution multiplicity of a tangent multiplicity of a weight multiplicity of a zero multiplicity of intersection multiplicity-one theorem multiplicity theory multiplier multiplier algebra multiplier group multiplier ideal sheaf multiplier method multiplier of a canonical equation multiplier of a cyclic difference set multiplier of a difference set multiplier of a group

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。