“跨撒哈拉商道”的概念、定义、翻译、参考文献-科学参考

单词	跨撒哈拉商道
释义	跨撒哈拉商道 Encyclopedia 历史学〔总论〕释 Trans-Saharan slave trade跨撒哈拉商道非洲历史上连接北非、欧洲、中东一些地区与撒哈拉以南非洲地区的贸易路线。
随便看	lower plant lower Privalov operator lower process capability index lower pure value lower quartile lower radical lower radical class lower relaxation method lower Riemann integral Lower Saxony lower semi continuity lower semi-continuity lower semicontinuity lower semi continuous lower semi-continuous lower semicontinuous lower semicontinuous decomposition lower semicontinuous equivalence lower semicontinuous function lower semi continuous hull lower semi-continuous hull lower semicontinuous hull lower semicontinuous mapping lower semicontinuous partition lower semicontinuous regularization

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。