“Official Languages”的概念、定义、翻译、参考文献-科学参考

单词	Official Languages
释义	Official Languages Encyclopedia 文学《语言活力与语言濒危》(联合国教科文组织）释 Official Languages正式语文国家或地区政府部门规定的法定语文。
随便看	underlying functor underlying galaxy underlying graph underlying group underlying manifold underlying module underlying net underlying object underlying polyhedron underlying set underlying-set functor underlying simple graph underlying space underlying topological space underlying topology underlying variety undermassive star undermoderated under-moon Under nutrition Under One Roof underpants underpass underpass bridge underpinning

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。