“pteridophytes（fossil）”的概念、定义、翻译、参考文献-科学参考

单词	pteridophytes（fossil）
释义	pteridophytes（fossil） Encyclopedia 理学古植物学释 pteridophytes（fossil）真蕨类（化石）具多样化的大型羽状复叶、孢子囊单个或成群着生于叶下表面的一类植物化石。
随便看	associated continued fraction associated convergence radius associated diagram associated difference equation associated differential equation associated digraph associated director circle associated director line associated directrix associated edge cut associate degree associate degree nursing programs associated element associated elements associated equation associated equipment associated extremal associated factor set associated factor system associated family associated fiber bundle associated flow associated form associated function associated functional

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。