“Qing Government’s Block Policy of Northeast China”的概念、定义、翻译、参考文献-科学参考

单词	Qing Government’s Block Policy of Northeast China
释义	Qing Government’s Block Policy of Northeast China Encyclopedia 历史学历史事件释 Qing Government’s Block Policy of Northeast China东北封禁清军入关后，为实行民族等级与隔离制度，严禁汉人进入满洲“龙兴之地”垦殖，颁布禁关政策。
随便看	en echelon folds en echelon fractures enema enemas Enemy at the Gates enemy release hypothesis enemy situation analysis ENER ene reaction ene reaction; Alder-ene reaction energesis energetically encourage the practice of conducting investigations and studies energetic atom energetic encounter Energetic Gamma Ray Experiment Telescope energetic linkage energetic material energetic particle energetic particle burst energetic particle event energetic plasma energetic plasticizer energetic recoil particle energetics energetic shower

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。