“archaic ungulata”的概念、定义、翻译、参考文献-科学参考

单词	archaic ungulata
释义	archaic ungulata Encyclopedia 理学哺乳纲（化石）释 archaic ungulata古有蹄类哺乳动物有蹄类中已绝灭的一个早期类群的统称。
随便看	quadr- quadrable quadrangle quadrangle circumscribing quadrangle grid quadrangular quadrangular number quadrangular prism quadrangular pyramid quadrangular set of six points quadrangulation of boundary representation based shapes Quadrans Muralis quadrant quadrantal angle quadrant altazimuth quadrantal triangle quadrant angle quadrant detector quadrant electrometer Quadrantid meteor shower Quadrantids quadrant of a circle quadrant relation quadrant spherical triangle quadrant unit

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。