名词
中文翻译：接触点
同义词：
['contact point', 'contact edge']
例句：
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1.The car's steering wheel is the point of tangency between the driver and the road.
汽车的方向盘是驾驶员和道路之间的接触点。
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2. The scientist used a microscope to observe the point of tangency between two surfaces.
科学家使用显微镜观察两个表面之间的接触点。
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3.The projectile's trajectory is determined by the point of tangency between its initial velocity and gravity.
弹道轨迹由初始速度与重力之间的接触点决定。