An icosahedron with twenty equilateral triangles as faces.
有二十个正三角形面的二十面体。
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。
The equilateral triangles influenced the children's size perception first, the exact squares secondly, the regular pentagons last.
正三角形对儿童大小知觉的影响最大，正方形次之，正五边形最小。
They are located in the Moon's orbit, equidistant from both the Earth and the Moon, with which form congruent equilateral triangles .
他们都位于到月球和地球距离相等的月球轨道上，形成两个等边三角形。
However, one who demonstrates this for scalene or equilateral triangles does so from principles that are necessarily not first principles.
不过，一个人特别论证不等边三角形或等边三角形，是从必然非第一原理论证。
In the geometrical figures of equilateral triangles or scalene triangles, the semantic view, pragmatic view and cognitive theory view have played a profound and catalytic function.
在这种时而等边三角形、时而不规则三角形的几何图形中，隐喻的语义说、语用说和认知理论说起了深刻的催化作用。
As I implemented the tests for equilateral and isosceles triangles, I realized that I was using only the delta value for calculations in right triangles.
当实现对等边三角形和等腰三角形的测试时，我认识到我只用了delta值来用于直角三角形的计算。
Introduce children to different kinds of triangles, such as equilateral, isosceles, scalene, and right.
给儿童介绍不同种类的三角形，如等边三角形、等腰三角形、不等边三角形和直角三角形。
Introduce children to different kinds of triangles, such as equilateral, isosceles, scalene, and right.
给儿童介绍不同种类的三角形，如等边三角形、等腰三角形、不等边三角形和直角三角形。
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