如果你需要绘制不同类型的曲线，那么你可以把它绘制为折线，它是一系列非常短的定义曲线的线。

If you need to draw a different type of curve, you can draw it as a polyline, which is a series of very short lines that define a curve.

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短行程控制是热轧粗轧调宽过程中改善带钢端部形状、减少成材率损失的主要方法，而宝钢某热轧机组采用的传统的折线式短行程控制效果较差。

Short Stroke Control(SSC) is the main method to optimize the shape of strip ends and reduce metal loss in hot roughing, but the traditional broken line SSC model was not effective enongh at Baosteel.

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