hemispherical dome

基本解释

Dome:In architecture, a hemispherical structure evolved from the arch, forming a ceiling or roof.
圆屋顶：房屋建造中由拱发展而成的半球形结构，常用作天花板或屋顶。
It consists of a huge cylindrical body of equal height and width, covered by a great hemispherical dome.
它包括一个宽度与高度相等的巨大圆柱体，上面覆盖着半圆形的屋顶。
For the clear sky, its 3-D simulation scene is mapped from the hemispherical sky dome and its texture, which is established through the atmospheric radiation computed by MODTRAN.
对于晴空天空背景，利用大气辐射软件MODTRAN计算得到大气辐亮度，再由其得到晴空纹理，并通过半球型天空穹顶和纹理映射技术得到三维晴空场景。

The Hemi, made by DaimlerChrysler AG's Chrysler Group, is the nickname for a series of engines known for their dome-shape--or hemispherical--combustion chamber.
FORBES: Magazine Article