The start point is a little bit larger than the other anchor points. Bézier curve segments and straight line segments can be joined to form more complex Bézier curves. Three different transitions can be applied to join adjacent segments:
可以将贝塞尔曲线段和直线段连结起来，以形成更复杂的贝塞尔曲线。可以应用三种不同的切换方式来连结相邻线段：