“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。
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