“ferns”的概念、定义、翻译、参考文献-科学参考

单词	ferns
释义	ferns Encyclopedia 理学植物学释 ferns; pteridophytes蕨类植物具有根、茎、叶分化，不产生种子的维管植物。大都为草本，少数为木本。
随便看	integral of generalized energy integral of generalized momentum integral of motion integral of potential type integral of three-body problem integral operator integral over a surface integral over coordinates integral over trajectories integral part integral part function integral path integral payoff integral penetrant test device integral point integral polyhedron integral polynomial integral polytope integral power integral power series integral prime ideal integral property detector integral protein integral quadratic form integral quantity

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。