“spiral arms of the galaxy”的概念、定义、翻译、参考文献-科学参考

单词	spiral arms of the galaxy
释义	spiral arms of the galaxy Encyclopedia 理学银河系旋臂释 spiral arms of the galaxy银河系旋臂银河系中由年轻恒星、气体和尘埃聚集所勾勒出的主要旋臂结构。
随便看	straightforward straightforward calculation straight helicoid straight knife cutting machine straight line straight-line arithmetic program straight line composition straight-line direction straight-line linkage straight-line method straight line motion straight-line representation straight-line segment straightness straightness artefact straightness measurement straight photography straight pile position survey straight polyomino straight ramp development straight river Straight Road of Qin Dynasty straight shock wave straight space straight spectrum

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。