“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	natural coordinate natural coordinate frame natural coordinates natural coordinates system natural correspondence natural crime natural crossing natural damping natural decline of yield natural deduction natural deduction system natural degradable biopolymers natural density natural derivation natural destroying traces natural direction natural disaster natural disaster and foreign object intrusion monitoring system for high-speed railway natural disaster emergency management natural disaster in civil engineering natural disaster map natural disaster mechanics natural disaster regionalization map natural disaster relief natural disaster risk

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。