| 1. | In a similar way, a three-dimensional truss can be built up of tetrahedra .
采用类似的疗法，空间架可以由四面体构成。 |
| 2. | Each tetrahedron shares two of its oxygens with neighboring tetrahedra .
每个四面体都有两个氧原子是与其相邻的两个四面体共用的。 |
| 3. | We can now use tetrahedron and hexahedron elements in three-dimensional stress analysis .
我们现在在三维应力分析中采用四面体单元和六面体单元。 |
| 4. | These silicate tetrahedrons join into chains
这些硅酸盐四面体缠结成链状。 |
| 5. | The internal structure of silica has a pyramid ( tetrahedron ) unit
硅的内部结构是一个四面体。 |
| 6. | Now you are equipped for the development of the magical rna / dna star tetrahedron
现在你为不可思议的rna / dna星四面体整装好！ |
| 7. | Algorithm of parallel collision detection based on dividing a convex polyhedron to tetrahedrons
基于凸多面体剖分的并行碰撞检测算法 |
| 8. | Analysis and optimization design of tetrahedron formation spacecrafts in highly elliptic orbits
大椭圆轨道航天器四面体编队运动分析与设计 |
| 9. | The calculation accuracy and the calculation efficiency of hexahedron mesh generated by author are higher than tetrahedron element
所剖分的六面体单元的计算精度和计算效率都高于四面体单元。 |
| 10. | Most of the germinal apertures were 3 couples , distributed symmetrically at the three sides by the axis of symmetry of the tetrahedron
萌发孔沟的长度、宽度、孔盖长宽与形状、突起的程度等，在个体间有差异。 |
