“Outer arm”的概念、定义、翻译、参考文献-科学参考

单词	Outer arm
释义	Outer arm Encyclopedia 理学银河系旋臂释 Outer arm银河系外旋臂银河系的主旋臂之一（见银河系旋臂），又称天鹅-矩尺臂（Cygnus-Norma Arm）。简称外臂。
随便看	space microbiology space mission space mixing color space modeling space motion space motion of planet space motion of stars space motion sickness space mutation breeding for forage plants space navigation space net space notation space nuclear power plant space nuclear reactor power space nuclear technology space nutrition space nutrition discipline space object surveillance satellite space observation space observatory space of analytic functions space of bounded curvature space of closed paths space of coefficients space of compact type

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。