n. hexahedron
CXF卧式系列数控机床能够高效率、高精度地完成车削多棱体及四方体、六方体等多面工件的加工。
The CXF horizontal series of CNC machine can turn and mill polyhedron and contrate parts with high efficiency and precision.
除常见的立方金刚石结构外，还存在一种罕见的六方金刚石结构。它们通常共存在一个金刚石织构体中，形成共生晶体。
They are made up from both of cubic and hexagonal diamond crystal structures, which are called a sort of intergrowth crystals.
前面六个是平面图形，后面三个是立体图形。今天我们学习长方体、方体的认识。
The first six shapes are plane figures, and the last three shapes are solid figures. Today we'll learn about cuboids and cubes.
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