准稳旋涡结构 zhǔnwěnxuánwōjiégòu quasi-stationary spiral structure Definitions Defs Origin Strokes Stroke Words Sentences Sents 准稳旋涡结构 準穩旋渦結構 zhǔnwěnxuánwōjiégòu quasi-stationary spiral structure (astrophysics) a theory used to explain the persistent spiral arms in galaxies
准稳旋涡结构 準穩旋渦結構 zhǔnwěnxuánwōjiégòu quasi-stationary spiral structure (astrophysics) a theory used to explain the persistent spiral arms in galaxies
