“pecopterids”的概念、定义、翻译、参考文献-科学参考

单词	pecopterids
释义	pecopterids Encyclopedia 理学古植物学释 pecopterids栉羊齿类根据小羽片形态特征划分的一类石炭-二叠纪化石植物的集合。大部分属于真蕨纲，少数属于种子蕨纲。
随便看	aphakia aphanesite aphasia aphasia assessment aphasia therapy aphelic conjunction aphelic distance aphelic opposition aphelinids aphelion aphesperian aphicidin aphid A Philosophical Enquiry into the Origin of Our Ideas of the Sublime and Beautiful A Philosophical View of Reform A Philosophy of Gardens APHIS-USDA A Phonetic Analysis on Entering-Tone Characters in South Drama aphonia aphonia due to larynx disease A Phonograph Course in the Chinese National Language A Photocopy of Ci-Poems of Song, Jin, Yuan and Ming Dynasties Aphra Behn Aphrodite Aphrodite of Melos

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。