spiral arm翻译
spiral arm的基本解释
读音: 美: 英:
螺旋臂：星系中的一种结构，通常是由恒星、气体和尘埃组成的螺旋形区域，如螺旋星系。
例句
Our sun is on the Orion spiral arm, about two - third from the center.太阳位于银河系的猎户臂，距离银心约为半径的三分之二。But the star forming regions seem more concentrated along the drawn-out (right side) spiral arm.但恒星形成区域似乎更集中在长长的北部(右边)的旋臂上。
The effect of spiral arm perturbation on the aggregation formation of giant molecular clouds (GMCs) is analyzed in this paper.本文分析了在巨分子云聚合形成机制下旋臂扰动的影响。
短语
spiral arm tracer 示臂天体 ; 示臂天文Carina spiral arm 位于银河系的船底旋臂
major spiral arm 大旋臂
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