“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	adsorbed atom adsorbed atom, adatom adsorbed film adsorbed gas adsorbed ion adsorbed layer adsorbent adsorbents adsorbing nanomaterial adsorptiometry adsorption adsorption bed adsorption chromatography adsorption chromatography for pharmaceutical analysis adsorption column adsorption coprecipitation adsorption-coprecipitation adsorption/desorption adsorption/desorption rate adsorption energy adsorption equilibrium adsorption gas storage adsorption heat adsorption indicator adsorption isotherm

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