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angular diameter

  • [数] 角直径

专业释义英英释义

  • 角直径
    角径

·2,447,543篇论文数据，部分数据来源于NoteExpress

Angular diameter

  • abstract: The angular diameter or apparent size of an object as seen from a given position is the “visual diameter” of the object measured as an angle. In the vision sciences it is called the visual angle.

以上来源于: WordNet

双语例句

  • Either way, the angular diameter of the Moon is always about 0.5 degrees.

    不管怎样，月亮的视直径总是在0.5度左右。

    youdao

  • We have not found any changes of observed values of the angular diameter with time in this period.

    在这一观测周期中，我们没有发现角直径随时间变化的现象。

    youdao

  • 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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