“黑人大迁徙”的概念、定义、翻译、参考文献-科学参考

单词	黑人大迁徙
释义	黑人大迁徙 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	professional standard for principal professional standard for teaching content in vocational education Professional Standards of Primary School Teacher（Proposal） Professional Standards of Secondary School Teacher（Proposal） professional task professional training program professional volunteer service profession of history professor Professor Mamlock professors' academic governance profibrinolysin PROFIBUS总线 proficiency testing of forensic medicine identification proficient in law proficient teacher Profile profile profile connection profile connection space profile control and water plugging profile control chart profile curve profile cutting machine profiled cutter

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。