“内三关”的概念、定义、翻译、参考文献-科学参考

单词	内三关
释义	内三关 Encyclopedia 历史学民族释 Inner Three Passes内三关中国古关合称，明代以北直隶（今河北、北京）境内沿内长城分布的居庸关、倒马关、紫荆关三关为内三关。
随便看	insurance density insurance depth insurance economics insurance event insurance fee rate insurance for poverty alleviation insurance fraud insurance fraud behavior insurance fraud prevention insurance guaranty fund insurance guaranty fund in China insurance hypothesis insurance investment insurance investment funds insurance investment institutions insurance investment management Insurance Law of the People's Republic of China insurance liability insurance literacy insurance market insurancemarket behavior regulation insurance marketing insurance marketing strategy insurance mathematics insurance mono-line principle

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。