“history of rape cultivation”的概念、定义、翻译、参考文献-科学参考

单词	history of rape cultivation
释义	history of rape cultivation Encyclopedia 农学油菜栽培史释 history of rape cultivation油菜栽培史白菜型油菜栽培历史已有1400多年，芥菜型油菜仅有400多年。
随便看	connected curve connected design connected diagram connected diagram expansion connected digon connected digraph connected domain connected dominating set connected doublet connected-element interferometer connected-element radio interferometry connected fiber connected graded module connected graph connected Green function connected group connected groupoid connected im Kleinen connected Lie group connected Lie subgroup connected loop connectedly connected manifold connected neighborhood connectedness

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。