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plane angle

/pleɪn ˈæŋɡl/

翻译: 平面角是指两条相交直线或两个相交平面在二维平面内所形成的角,通常用度或弧度来度量。

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phrase

C1formalcommontechnical/pleɪn ˈæŋɡl/

The angle formed between two intersecting lines or surfaces in a flat, two-dimensional plane, typically measured in degrees or radians.

  • 🇨🇳平面角是指两条相交直线或两个相交平面在二维平面内所形成的角,通常用度或弧度来度量。
  1. Geometric angle B2 formal

    An angle formed by two straight lines meeting at a common point in a plane.

    • A right angle is a plane angle of 90 degrees.
    • The sum of the interior plane angles of a triangle is 180 degrees.
    • In geometry, a plane angle is measured in degrees or radians.

    🇨🇳平面角