“三北方向图”的概念、定义、翻译、参考文献-科学参考

单词	三北方向图
释义	三北方向图 Encyclopedia 工学地图数学要素释 sketch of three-north direction三北方向图地图上标明真北方向、坐标北方向和磁北方向关系的方向图。
随便看	Ricci formula Ricci identity Riccioli crater Ricciotto Canudo Ricci scalar Ricci tensor Ricci theorem Riccius crater Ricco crater Rice rice rice bacterial brown stripe rice bacterial foot rot rice bacterial leaf blight rice bacterial leaf streak rice bean rice black-streaked dwarf disease rice bran oil rice cadmium exceeded events rice clause rice cyst nematode disease rice direct seeder Rice distribution rice-duck farming system rice dwarf disease

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。