| 1. | The attempt to use the five regular solids to ferret out nature's secrets did not succeed . 用这五种正多面体去探索自然界的秘密的企图没有成功。 |
| 2. | Regular polyhedra can be divided into 3 groups 正多面体有一个特色,可以分成三组。 |
| 3. | This property is called the duality of regular polyhedra 这称为正多面体的二重性。 |
| 4. | The edges of a regular polyhedron are always equal 所有正多面体的边均只有一种长度。 |
| 5. | A cube is a regular solid 立方体是正多面体。 |
| 6. | Buildings that have the appearance of a sphere are called geodesic domes 所有短程线圆顶均与正多面体有相对应的关系。 |
| 7. | Buildings that have the appearance of a sphere are called geodesic domes 所有短程线圆顶均与正多面体有相对应的关系。 |
| 8. | Put some other objects in the mirror well and see how the regular polyhedron changes 随意放进其他物件,看看正多面体的变化。 |
| 9. | 3 . put some other objects in the mirror well and see how the regular polyhedron changes 3 .随意放进其他物件,看看正多面体的变化。 |
| 10. | Let s see how many regular polyhedra you can make from the components in this exhibit 1 .请你利用展品中的组件,看看能够制作多少个不同的正多面体? |