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angular diameter distance

  • 角直径距离

专业释义英英释义

  • 角径距

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Angular diameter distance

  • abstract: The angular diameter distance is a distance measure used in astronomy. The angular diameter distance to an object is defined in terms of the object's actual size, x, and \theta the angular size of the object as viewed from earth.

以上来源于: WordNet

双语例句

  • From knowing the diameter of the Earth's orbit and the apparent angular movement of the star, we can calculate the distance to it.

    在知道了地球轨道的直径和恒星变化的角度，我们就能计算出它的距离。

    youdao

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