螺旋臂 meaning in English

spiral galaxy

Far out in the uncharted backwaters of the unfashionable end of the western spiral arm of the galaxy lies a small unregarded yellow sun
在银河系西螺旋臂的末端那片未曾标明的寂静虚空中，悬挂着一颗不被人注意的小小的黄色太阳。
In this theory , bars and spiral arms are waves of excess density , where stars are crowded together temporarily in a cosmic traffic jam
在这个理论中，棒子与螺旋臂是高密度所形成的波，而在该处恒星蜂拥群集，造成暂时的宇宙交通堵塞。
The phenomena of initial disturbance vorticity translating into spiral bands is most evidently for it locating at the periphery of radius of maximum wind ( rmw ) , near rmw next and the spiral bands vanish when it is positioned in the inner core region . indicating that the farther the distance from the tc center , the more distinctly the spiral bands and the opposite is true
初始圆形扰动涡度场转化为螺旋臂涡量带的现象是初始扰动位于涡旋最大风速半径( rmw )外围最显著，其次是rmw附近，当扰动位于涡旋内核区时几乎没有螺旋臂结构形态出现，表明，初始扰动离tc中心越远，其强迫涡旋rossby波形成的螺旋带结构越明显，反之越弱。