Workpiece's spring-back is considered in this paper, deformation's history is assured in the next pass, and then square rectangle tube in continue roll forming process lay a foundation.

文中考虑了轧件的弹复，保证了下一道次变形历史的延续，从而为真实模拟方矩形连续辊弯成形过程奠定基础。

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The square color scheme is similar to the rectangle, but with all four colors spaced evenly around the color circle.

方形色系和矩形色系类似，是均衡分布在色轮上连线成为一个正方形的四种颜色。

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What is the difference between a square and a rectangle?

一个正方形和长方形之间有什么不同呢？

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When you start the computer, you'll be greeted with a jazzy array of square and rectangle tiles representing applications, arranged into groups.

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Think of it this way: Disruptors are innovators, but not all innovators are disruptors in the same way that a square is a rectangle but not all rectangles are squares.

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