“帝国自由市”的概念、定义、翻译、参考文献-科学参考

单词	帝国自由市
释义	帝国自由市 Encyclopedia 历史学德意志历史释 Free and Imperial Cities帝国自由市神圣罗马帝国时期直属于皇帝（亦即德意志国王）的城市和市镇，根源于皇帝领地。
随便看	file allocation table, FAT file allocation time file attribute file backup file checking program file contention file covers/ binding case file created time file creation file design file directory file emergency management file fragmentation file handle file-item list file level sorting file maintenance file management file management of place names file management system file management system, FMS file meristem file method file modified time file name extension

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。