“Umar II's reform of taxation system”的概念、定义、翻译、参考文献-科学参考

单词	Umar II's reform of taxation system
释义	Umar II's reform of taxation system Encyclopedia 历史学〔综述〕释 Umar II's reform of taxation system欧麦尔二世税制改革阿拉伯帝国倭马亚王朝后期哈里发欧麦尔二世（全名欧麦尔·阿卜杜勒·阿齐兹，717～720年在位）为缓和社会矛盾而实行的税收改革。
随便看	artificial injury artificial insemination artificial insemination for chicken artificial insemination of domestic animal artificial insemination of poultry Artificial Intelligence artificial intelligence artificial intelligence (AI) Artificial Intelligence Art artificial intelligence legal system artificial intelligent planning artificial ionized medium artificial island artificial island works artificial joint artificial Josephson junction array radiation source artificial kidney artificial lake artificial landscape artificial language artificial larynx artificial leather artificial life artificial lifting production artificial ligament

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