“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	complex Poynting vector Complex Predicate complex process complex programming complex programming logic device complex programming logic device, CPLD complex progression complex projective plane complex projective space complex quadratic form complex quantity complex random process complex random variable complex ray complex ray method complex reaction complex refractive index complex regulatory systems complex relative attenuation complex representation complex residue complex resistivity logging complex resolution complex resonator complex root

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。