1·Its outline roughly forms an equilateral triangle.
它的大致轮廓是一个等边三角形。
—— 《柯林斯英汉双解大词典》
2·Three roughly defined corner edges are then acquired that define an approximately equilateral triangle pointed at the center of the image.
随后将获得三条粗略定义的角边，用于定义指向图像中心的近似的等边三角形。
3·But our intrepid geometers found that by using equilateral triangles rather than squares, they could generate a savings of 0.1 percent.
但我们坚韧不拔的几何学家们发现，如果用等边三角形而非正方形的话，可以省下0.1%的包装材料。
4·For example, the triangle values 2, 2, 2 and 3, 3, 3 are both equilateral.
例如，三角形的三条边分别是2,2,2和3,3,3，它们都是等边三角形。
5·Perhaps I will want to add a "fuzz factor" with deltas for determining whether I have an isosceles or equilateral triangle, respectively.
也许我会加入“误差因素”，和 delta 一起来确定是等腰三角形还是等边三角形。