“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	complex projective plane complex projective space complex quadratic form complex quantity complex random process complex random variable complex ray complex ray method complex reaction complex refractive index complex regulatory systems complex relative attenuation complex representation complex residue complex resistivity logging complex resolution complex resonator complex root complex rotation complex rotation group complex salt effect complex sample analysis complex scalar complex sentence complex sequence

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。