“The Great Migration of African Americans”的概念、定义、翻译、参考文献-科学参考

单词	The Great Migration of African Americans
释义	The Great Migration of African Americans Encyclopedia 历史学美国历史释 The Great Migration of African Americans黑人大迁徙 1916～1970年约600万非裔美国人从美国南部各州的乡村地区迁徙至东北部、中西部以及西部地区的大规模人口流动。又称北上大迁徙。
随便看	Sudanese Union sudangrass diseases Su Danian Sudan National Museum Sudan-Negroes Sudan People's Liberation Movement sudan red Sudans Studies Association Sudan upper atbara water control project Sudbury Sudbury crater Sudbury nickle sulfide deposit sudden approximation sudden blindness sudden collapse of heart yang sudden cosmic noise absorption sudden cough sudden deafness sudden disappearance of filament sudden enhancement of atmospherics sudden eyeball protrusion sudden failure sudden field anomaly sudden frequency drift sudden infant death syndrome

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。