“七国时代”的概念、定义、翻译、参考文献-科学参考

单词	七国时代
释义	七国时代 Encyclopedia 历史学英国历史释 Heptarchy七国时代 7世纪初叶至9世纪中叶不列颠岛上七国并立的时代。
随便看	compounded genus compounded linear system compounded quadratic form compounded system compound-elastic scattering compound event compound eye compound eyepiece compound Fabry-Perot interferometer compound fertilizer compound field compound field extension compound field-flattener compound figure compound fire detector compound force field flotation column compound fore field hydrocyclone compound form compound forms compound fraction compound function compound general anesthesia compound-grating antenna compound hydrocyclones compound hypothesis

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。