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1·The latest graphics drawing tools use tangential line handles to change curvature and create complex smooth figures.

最新的图表绘图工具用途正切线“ 处置” 改变曲度和创造 复杂光滑图。

2·Please pay attention to the subtle differences, particularly the Tangential line marking the fillet's point of contact with its adjacent surface, and how the reflections break there as well.

请注意细微的差别，尤其是切线标示出的倒圆角与临近面的连接处，还有在那里反射光是如何被打断的。

3·The quality of this transition is best visualized by a straight line drawn between two circles: the line's only point of contact with each circle is tangential.

用最明显的图形来描述这个过渡的特性就是：当在两个圆之间绘制一条直线，直线与每个圆只有一个交点时，那么这条线就是两个圆的切线。

4·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。

5·Based on lots of tube bending experiments, the stress-strain state along the tangential direction of bending line and the direction of the wall thickness is analyzed.

通过大量管材弯曲试验，分析了沿弯曲线的切向和管壁厚方向的应力应变状态，给出弯管内、外侧管壁厚变化量和切向应变的近似计算公式。

6·Helical line (port) is in upstream of tangential port, minimizes the deterioration came from outflow of helical line, and obtains the best support of tangential port airflow.

螺旋线(气道)位于切向气道的上游，以使来自螺旋线外流的恶化减至最小，并获得切向气道气流的最佳支持。