“the fourth age”的概念、定义、翻译、参考文献-科学参考

单词	the fourth age
释义	the fourth age Encyclopedia 理学第四年龄释 the fourth age第四年龄对85岁及以上老年人的界定。
随便看	unoriented cobordism class unoriented cobordism group unoriented graph unoriented string UNP unpaired unpaired electron unpaired nucleon unparticle physics un-permissible size of confine number reeling unperturbed unperturbed dimension unperturbed end to end distance unperturbed end-to-end distance unperturbed equation unperturbed motion unperturbed operator unperturbed orbit unperturbed problem unphysical particle unphysiological forgetting unpliable unpliancy unpointed cone unpoke move

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。