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angle of incidence

/ˈæŋɡəl əv ˈɪnsɪdəns/

翻译: 光线、波或运动物体射向表面时与表面法线(垂直于表面的线)之间的夹角。也泛指物体或气流与运动方向或表面之间的夹角,如迎角。

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phrase

/ˈæŋɡəl əv ˈɪnsɪdəns/C1formalscientific
  • zh光线、波或运动物体射向表面时与表面法线(垂直于表面的线)之间的夹角。也泛指物体或气流与运动方向或表面之间的夹角,如迎角。

The angle at which a ray of light, a wave, or a moving object strikes a surface, measured from the normal (a line perpendicular to the surface).

  1. Physics definitionC1formal

    The angle between a ray of light or other radiation striking a surface and the line perpendicular to that surface (the normal).

    zh入射角

    • The angle of incidence equals the angle of reflection for a mirror.
    • To calculate refraction, you need to know the angle of incidence.
    • The experiment measured the angle of incidence of the laser beam.