They're drawing squares on the paper.
他们在纸上画正方形。
The next step is also a generalization. Instead of drawing squares, polygondraws regular polygons with any number of sides. Here is a solution.
下一步也还是泛化。这次就是不光要画正方形了，要画一个多边形，可以指定边数的。下面是样例。
You cannot optimize pictures that have a drawing type of format vector graphics vector graphics: The representation of graphic objects such as lines, arcs, and squares by using geometrical formulas.
不能优化具有绘图类型格式矢量图形向量图形：使用几何公式的图形对象的表示形式，如线条、弧形和正方形。
Orthogonal design and least squares wavelet support vector machine are integrated to optimize the technological parameters of hydro-mechanical deep drawing process using FEM.
在有限元模拟基础上，采用正交设计与最小二乘小波支持向量机对充液拉深过程参数优化进行了研究。
Set squares are necessary tools for project drawing.
三角板是工程制图的必备工具。
Graph paper is the paper with many squares printed on it, used for drawing graphs.
坐标纸是具有很多小格子的纸，用来在上面绘图。
Graph paper is the paper with many squares printed on it, used for drawing graphs.
坐标纸是具有很多小格子的纸，用来在上面绘图。
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