“中生代哺乳动物”的概念、定义、翻译、参考文献-科学参考

单词	中生代哺乳动物
释义	中生代哺乳动物 Encyclopedia 理学古脊椎动物学释 mammals(Mesozoic)中生代哺乳动物包括新生代开始（约6600万年前）前的各个不同门类的哺乳动物。不是一个自然分类单元。
随便看	knowledge team Knowledge Technology and Its Application knowledge ties knowledge training system knowledge transaction knowledge transfer knowledge transformation knowledge unit knowledge units indexing knowledge upgrading system knowledge utilization system knowledge value knowledge value chain knowledge web knowledge work automation known known function known number known plaintext attack known-plaintext attack known public known quantity known spirit know the tone know-what knowledge

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。