“directed relation graph”的概念、定义、翻译、参考文献-科学参考

单词	directed relation graph
释义	directed relation graph Encyclopedia 理学直接关系图法释 directed relation graph；DRG直接关系图法删除冗余物种的框架机理简化方法之一。
随便看	homotopy resolvent homotopy sequence homotopy set homotopy-simple space homotopy sphere homotopy-stable mapping homotopy system homotopy theorem homotopy theory homotopy to zero homotopy transgression homotopy type homotopy type invariant homotopy type of topalogical spaces homotopy type of topological space homotopy unit homotopy with base point homotropy homotype homotypical identity homotypic division homotypy homozygote Homs Homunculus Nebula

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。