“tree ring”的概念、定义、翻译、参考文献-科学参考

单词	tree ring
释义	tree ring Encyclopedia 理学〔第四纪沉积记录〕释 tree ring树木年轮伴随着气候季节性变化，树木的形成层分生组织具有季节性活动，在树干横切面上形成逐年增长的环状木质结构。
随便看	cohomological invariant cohomological length cohomologically trivial module cohomological method cohomological property cohomological residue cohomological resolution cohomological semipurity theorem cohomologous cohomologous cochain cohomologous cocycle cohomologous to zero cohomology cohomology algebra cohomology class cohomology diagram cohomology dimension cohomology dimension of groups cohomology exact sequence cohomology extension cohomology functor cohomology group cohomology group of a group cohomology homomorphism cohomology manifold

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。