“鱼龙类”的概念、定义、翻译、参考文献-科学参考

单词	鱼龙类
释义	鱼龙类 Encyclopedia 理学爬行纲（化石）释 ichthyosaurians鱼龙类一类外形似鱼的中生代海洋爬行动物。
随便看	orientation of a manifold orientation of a simplex orientation of a space orientation of a surface orientation of reference ellipsoid orientation parameter orientation phase orientation polarization orientation-preserving orientation-preserving automorphism orientation-preserving isomorphism orientation-preserving mapping orientation quantization orientation reaction orientation-reversing orientation-reversing chain orientation-reversing loop orientation-reversing mapping orientation selectivity orientation sheaf orientation star orientation state structure of polymers orientation sub orientation telesthesia orientation variable

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。