“鸟胸类”的概念、定义、翻译、参考文献-科学参考

单词	鸟胸类
释义	鸟胸类 Encyclopedia 理学鸟纲（化石）释 None鸟胸类一类种类数量很大、具有同一祖先且来源于基干鸟类的鸟类群。由反鸟类（Enantiornithes）和今鸟型类（Ornithuromorpha）构成，包括了中生代发现的大多数鸟类化石。
随便看	Re face and Si face refacer refacing refactorable number refactoring refeed valve referee referee analysis referee analysis; arbitration analysis referee morality reference reference allocation unit Reference and Information Services Section, IFLA reference angle reference anolog circuit design flow reference artefact for distance between planes reference artefact of line scale reference beam reference bibliography reference blocks reference book Reference Book Concerning the Grand Canal in Shandong Province reference books Reference Catalogue of Bright Galaxies reference circle

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。