对顶角（vertical angles）是指一个角的两边分别是另一个角两边的反向延长线，那么这两个角是对顶角，互为对顶角的两个角相等。
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... 手动控制速度(Manually control the speed) 垂直角度(Vertical angles) 预置点(Preset) ...
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Horizontal and Vertical Angles 水平角和竖直角
All the Vertical Angles 唱片名
angles drift off vertical line 指针偏离垂直线的角度
vertical l angles 对顶角
以上来源于: WordNet
N-PLURAL the pair of equal angles between a pair of intersecting lines; opposite angles 对顶角 (Also called vertically opposite angles) [geometry]
Scholars made a macroscopic study on the financial condition of the late Qing Dynasty from the horizontal and vertical angles.
学者们从纵向与横向两方面着笔，对晚清财政状况进行了宏观考察。
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Cutting out the sometimes distracting glare of glossy displays, the matte screen is still sufficiently bright and horizontal viewing angles continue to be better than vertical ones.
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