“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	natural transformation natural trihedron natural unit natural unit system natural uranium natural uranium exists in the form of water natural uranium (NU) natural user interface natural user interface, NUI natural variability natural vegetation natural ventilation natural ventilation of swine building natural vibration natural water natural water cycle system natural water quality natural weighting natural wetland natural wetland microbes Natural White Desert Protected Area natural width natural width of gamma ray spectrum natural width of spectral line natural width of γ-ray spectrum

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。