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。

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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。

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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。

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And it might just work, if BP can avoid getting dragged into a morass of tangential health claims like the ones that sank just about every company that manufactured or installed asbestos products as a main line of business.

FORBES: Asbestos Is A Good Lesson For BP -- To Avoid