“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	forest tourism resources forest tourist Forest Tree Breeding forest tree breeding forest tree breeding methods Forest Tree Genetics and Breeding Forest Tree Genetics and Breeding Branch of Chinese Forestry Society forest tree genomics forest tree metabolomics forest tree molecular breeding forest tree molecular genetics forest tree molecular pyramiding breeding forest tree population genetics forest tree proteomics forest tree quantitative genetics forest tree seed testing forest vegetation forest vegetation index forest vegetation recovery fee forest virtual reality forest visual interpretation of remote sensing imagery forest washing forest wetland forest worker's haozi forest yield

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。