“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	geology Geology in China geology of Africa geology of Antarctica geology of Asia geology of China geology of Circum-Pacific Belt geology of Europe geology of mineral prospecting geology of Moon geology of North America geology of ocean floors geology of Oceania geology of orebody geology of ore district geology of Qinghai-Xizang Plateau geology of South America geology of Tethys geology reference material geology sampling geomagnetic geomagnetic activity geomagnetic anisotropy geomagnetic anomaly geomagnetic anomaly field

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。