“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	projection chain map projection chart projection-complete subspace projection cone projection constant projection correlation projection difference projection-difference method projection display equipment projection drawing projection effect projection estimate projection formula projection function projection functor projection-grid method projection identification method for the characteristic model projection image projection instrument projectionist projection iteration projection iterative method projection map projection mapping projection matrix

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。