“奥陶纪”的概念、定义、翻译、参考文献-科学参考

单词	奥陶纪
释义	奥陶纪 Encyclopedia 理学古生代释 Ordovician Period奥陶纪古生代第二个纪，约开始于4.85亿年前，结束于4.44亿年前。 Biology Ordovician奥陶纪
随便看	three primary colours three primes three Primes and Three Pure Ones three primes theorem three principles and eight items three principles ofradiological protection three-prism spectrograph three problems in Greek geometry Three Provincial Offices three public consumptions Three Pure Land Sages Three Pure Ones three qualities three readings Three Rebellious Women "three red lines" for water resource management three-reflector feed system three-region pulse-taking method Three Repetitions of the Yangguan Tune three round bodies three rounds of drum beating three rules of mathematical manipulation in quantum mechanics three rural left-behind groups three safety education three Saints of the East

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。