“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	plasticize plasticizer plasticizer extender plasticizer pollutants plasticizing plastic laser plastic limit plastic limit analysis of structures plastic lithium ion battery plastic membrane pollution of soil plastic mulch cultivation plastic mulch film plastic mulching technique plastic number plasticodynamics plastic optical fiber plasticostatics plastic packaging plastic physical evidence plastic pipe plastic point plastic products for civil engineering plastic profile plastic reconstruction of nails plastic Rockwell hardness tester

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