“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	coincidence measurement setup coincidence method coincidence number coincidence prism coincidence problem coincidence range finder coincidence rate coincidence-reading device coincidence site lattice coincidence spectroscopy coincidence spectrum coincidence structure coincidence surface coincidence theorem coincident coincident code coincident lines coincident points coincident roots co-index coindex coinduced coinduced module coinduced topology coined word

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。