“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	soil thermoluminescence survey soil thermometer soil thixotropy soil three phases soil tillage Soil & Tillage Research soil tilth soil total nitrogen analysis soil trace elements soil transcriptomics soil treatment method soil types of China (soil genetic classification) soil unsaturated hydraulic conductivity soil vapor extraction soil vertical pattern in China soil virus soil void soil washing soil washing process soil water soil water characteristic curve soil water condition soil water constant soil water constant for irrigated grassland soil water content

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。