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- The direction to an object from a point, expressed as a horizontal angle measured clockwise from true north. 从一点到目标的方向，表示为从北开始顺时针测量的一个水平角度。
- The horizontal angle of the observer's bearing in surveying, measured clockwise from a referent direction, as from the north, or from a referent celestial body, usually Polaris. 方位角观察者通过测量所具有的水平角度，从某一参考方向顺时针测量，如从北部或从参考天体处，通常从北极星
- The horizontal angle of the observer`s bearing in surveying, measured clockwise from a referent direction, as from the north, or from a referent celestial body, usually Polaris. 方位角：观察者通过测量所具有的水平角度，从某一参考方向顺时针测量，如从北部或从参考天体处，通常从北极星
- The Precision Studies of Horizontal Angles in Real Observation of Total Station 全站仪水平角实测精度研究
- One line cuts another at right angles. 一条线与另一条线成直角相交。
- The vertical line meets the horizontal one here. 垂直线与水平线在此相交。
- Being at right angles to the horizontal; vertical. 竖直的，垂直的与水平呈直角的；垂直的
- The angles of a triangle total 180. 三角形的三角之和等于180°。
- A polygon whose angles are equal. 等角多边形各角都相等的多边形
- A polygon with ten angles and ten sides. 十边形有十个角和十条边的多边形
- Horizontal angle of the cone of vision 水平视锥角
- The sun rises from the horizontal line. 太阳从地平线上升起。
- A four-sided plane figure with four right angles. 矩形，长方形具有四个边的方形，有四个直角
- Position line by horizontal angle 水平夹角船位线
- A plane figure with four sides and four angles. 四边形有四个边和四个角的平面图形
- Please put your armrest into horizontal position for landing. 降落时请将座位扶手放于水平位置。
- At right angles to a vertical line. 横的与垂直线成90度角的
- Intersecting at or forming right angles. 成直角的，垂直的交叉成直角的，或形成直角的
- The horizontal beam on a cross or gallows. 横梁十字架或绞架上的水平横梁
- A horizontal line or plane at right angles to the plumb. 水平线与铅锤线成直角的水平线或水平面
