“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	Knowledge Management System knowledge management system knowledge management theory knowledge managemet school knowledge manager knowledge map knowledge market knowledge marketing knowledge metrics knowledge mining knowledge model knowledge modeling knowledge navigation Knowledge Network knowledge network knowledge officer knowledge of the world knowledge ontology Knowledge Organization knowledge organization knowledge organization system knowledge payment knowledge portal knowledge precipitation system knowledge pricing

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。