“PETM”的概念、定义、翻译、参考文献-科学参考

单词	PETM
释义	PETM Encyclopedia 理学新生代全球变冷释 Paleocene-Eocene thermal maximum; PETM古新—始新世极热事件发生在古新世与始新世交界时期的短时增温事件。简称PETM事件。又称始新世极热事件（ETM1）。
随便看	relative fluctuation of density relative focal length relative frame of reference relative frequence relative frequency relative Frobenius morphism relative functor relative geometry relative gradient relative gravity survey relative group relative growth relative growth rate relative homeomorphism relative homological algebra relative homology relative homology group relative homology theory relative homotopy relative homotopy group relative homotopy set relative humidity relative humidity in China relative ideal series relative income hypothesis

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。