“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	problem on knight’s moves problem on lattice points problem-oriented history problem-oriented language problem oriented policing problem regions problem representation Problems of Dostoevsy’s Poetics problem solving problem space problem space model problem teaching problem tracking problem with constraints problem with equality constraints problem with inequality constraints problem youth problem库拉托夫斯基闭包补问题 probléme des menages probléme des rencontres proboscis monkey proboscis receptacle Proca equation procaine procambium

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