基本解释[数学]切曲率的线英汉例句双语例句Numerical techniques related to the calculation of normal vector, tangential velocity, curvature and contact line are explained in detail.文中介绍了有关泡面法向矢量、切向速度、曲率和接触线等的计算技术。line of tangential curvature更多例句专业释义数学切曲率的线