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radial velocity英英字典_radial velocity剑桥英语解释_radial velocity柯林斯英文解释_甲百匯小鸡词典
甲百匯小鸡词典

radial velocity

R 开头单词

柯林斯词典

    radial velocity

  • 1. N the component of the velocity of an object, esp a celestial body, directed along a line from the observer to the object 逕曏速度

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