大家在查：劃奥尔巴尼市趣话 Platonist 子宫出血杞县 collectively known lush green 叛乱平息华宁县

柏拉图方

柏拉图方

柏拉图方

柏拉图方

1

This was discovered by the Greek philosopher Plato about 2 , 400 years ago . So these solids are collectively known as the Platonic Solids .

希腊哲学家柏拉图约在 2,400 年前已发现正多面体只有五种，因此这五种多面体便被统称为柏拉图方体。

2

the icosahedron has the greatest number of faces , so it is the most common choice for making a geodesic dome .

正二十面体是拥有最多面的柏拉图方体，所以它最常用于建造短线圆顶。

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