“Free and Imperial Cities”的概念、定义、翻译、参考文献-科学参考

单词	Free and Imperial Cities
释义	Free and Imperial Cities 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	graph isomorphism complete graph isomorphism problem graphite graphite anode graphite degeneration of cast iron graphite flake graphite floatation of cast iron graphite fluoride graphite furnace graphite furnace atomic absorption spectrometry graphite furnace atomic absorption spectrometry (GFAAS) graphite intercalation compound graphite intercalation compounds graphite moderated reactor graphite-moderated reactor graphite moderator graphite mould casting graphite negative electrode graphite oxide graphite pneumoconiosis graphite products graphite reactor graphite structure graphite supermolecule intelligent materials graphite tube coated with refractory metal carbide

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