icosahedron

1. The20-sided shape ( an icosahedron) floats to the window and one of the20 answers is visible, telling you the answer to your question.
   这个有着20个面的形状（一个20面体）浮到窗口上，20个答案中的其中一个是可见的，告诉您问题的答案。
2. Based on the spherical icosahedron case of Equal Angle Ratio Projections ( EARP), a new Spherical Triangle regional Quadtree ( EARPIH) is constructed.
   在等弧长比投影族球面正二十面体投影基础上设计了球面三角四叉树剖分模型（EARPIH）。
3. The last of these figures known to Plato is the icosahedron.
   柏拉图知道的最后一个这种构形是正二十面体。
4. At the same time, by subdividing an icosahedron and projecting all its vertices onto the unit sphere from the center, we can get a spherical triangle mesh with subdivision topology.
   然后，将一个正多面体进行细分并将每一次细分所产生的新顶点投影到单位球面上，如此生成一个细分网格。
5. The results demonstrate that the icosahedron clusters ( 12 0 12 0) and their combinations play the most important role in the microstructure transition.
   研究结果显示，二十面体原子团（120120）及其组合在微观结构转变中起着最重要的作用。
6. Icosahedron and Icosahedral Viruses
   正二十面体和二十面体对称病毒
7. Higher collision energy may be more helpful to form the quasi-crystal icosahedron, which has lower energy status, when cooling to 300K after rearrangement collision of two gold clusters.
   较高的碰撞平动能有助于两个金原子团簇碰撞后形成能态较低的正二十面体等准晶结构。
8. Expression of Spherical Entities and Generation of Voronoi Diagram Based on Truncated Icosahedron DGG
   基于二十面体剖分格网的球面实体表达与Voronoi图生成
9. The regular icosahedron measuring technique is used in measurement of anomalistic cannon-shot average fragment windward area, and by this means, a kind of measuring system is designed. The average windward area is a very important parameter of typical fragment muzzle velocity measurement.
   采用二十面体方法的迎风面积测量技术作为不规则形状的炮弹破片平均迎风面积的测量方法，并以此设计出了破片迎风面积测量系统，为下一步的典型破片初速测量提供重要参数。
10. Because of the symmetrical shell structure of the icosahedron, the distribution of the ionic kinetic energy features some pinnacles.
    由于正二十面体的对称壳层结构，离子动能分布具有尖峰结构。
11. Transmission scatting electron images, back scatting images, electron diffraction patterns of several orientations and high resolution structure images of Al-Mn-Si icosahedron quasicrystal are taken with TEM, and the X-ray powder diffraction pattern is also gotten.
    应用透射电子显微镜，系统研究了Al-Mn-Si二十面体准晶，拍摄了透射扫描电子象、背散射电子象及不同取向的电子衍射花样、高分辨准晶结构象；
12. Icosahedron was formed during the freezing of the Co clusters with small size, while HCP structure was formed for the large-size Co clusters.
    在小尺寸时Co团簇凝固成20面体，而在大尺寸时凝固成与块体相同的HCP结构。
13. In solution contain dominantly plates, icosahedron, and triangle Au nanoparticles as catalysts during the reaction.
    溶液中使用的是片状，二十面体和三角形占主导的金纳米粒子作为催化剂用于反应当中。
14. The catalytic rate was found to be fastest in the presence of Au icosahedron, medium with triangle, and the slowest with the plates.
    结果表明二十面体的催化反应速率是最快的，三角形次之，最慢的是片状纳米粒金。
15. The structural transformation of the symmetric icosahedron is strongly related to the initial configuration, atomic number and atomic distribution, and can be controlled by doping hetero atoms and changing their compositions and distributions.
    匀称的20面体结构转变与团簇的初始结构、原子数和组元分布密切相关。而且，这种相变可以通过不同物性组元的添加、含量和原子分布的改变进行控制。

noun

1. any polyhedron having twenty plane faces