“Quaternary Period”的概念、定义、翻译、参考文献-科学参考

单词	Quaternary Period
释义	Quaternary Period Encyclopedia 理学第四纪释 Quaternary Period第四纪地球发展历史的最新阶段，时间范围从距今258.8万年持续至今。
随便看	unidirection traveling wire electrical discharge machining UNIDROIT UNIFAC unifactor unifactor theory unifarious unifiable unification unification algorithm unification-based grammar unification expression unification grammar unification of the national fiscal and economic work Unification of the written and spoken language unification records Unification Theory of Ancient Chinese Drama unified unified and decentralized management system unified-carrier TT&C system Unified Chinese Characters List for Names of Some Measurement Units unified comprehensive coordination system in America Unified Content Descriptors unified electroweak theory unified field theories unified field theory

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。