“Slavery in the United States”的概念、定义、翻译、参考文献-科学参考

单词	Slavery in the United States
释义	Slavery in the United States Encyclopedia 历史学美国历史释 Slavery in the United States美国奴隶制在美国历史上长期持续的人身奴役制度，受奴役的对象主要来自非洲的强制移民及其后代。
随便看	average distortion average drift velocity of Brownian particle average driving mileage of tire average elevation plany average error average error 9 mean error average extra depth average extra width average function average functionality average grade of mine district average household size average house price index average income of migrant workers in rural areas average information average inventory average ionization energy loss average land rent average land use for residence per household average laser power Average Length of Stay,ALOS average life average life; mean life average life of fluorescence molecule average life time

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。