“David Dunlap Observatory system”的概念、定义、翻译、参考文献-科学参考

单词	David Dunlap Observatory system
释义	David Dunlap Observatory system Astronomy David Dunlap Observatory system缩写：DDO system。DDO分类系统
随便看	TRIAC triac triacetin triacontagon triacontahedron triactic triacylglycerol triacylglycerol (TAG) triad triad axis triadelphous stamen triadic triadic expansion triadic fraction triadic mean triadic patent triadimefon Triads triagonal carbon triakisdodecahedron triakisoctahedron triakistetrahedron trial trial and error trial-and-error method

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。