“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	cinema in New Zealand cinema in Niger cinema in Nigeria cinema in Palestine cinema in Peru cinema in Portugal cinema in Senegal cinema in Tunisia cinema line system Cinema notebooks Cinema Novo Cinema of Moral Concern CinemaScope cinematic language cinematography Cinematography for Directors：A Guide for Creative Collaboration cinema total cinemicrography cinemicroscopy cinephotomicrography cineradiography cinerama cineroentgenography cine substitution cine theodolite

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。