The latest graphics drawing tools use tangentialline "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 Tangentialline 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.