在高温高压下，六方晶格的石墨转变为立方晶格的金刚石。
Under the high temperature and high pressure, the hexagonal graphite crystals can change into the tetragonal diamond crystals.
在前人研究的基础上，我们对二维正方晶格和六方晶格光子晶体缺陷的带结构进行了计算。
The band structures of square lattice photonic crystal and hexagonal lattice photonic crystal have been computed in the second chapter.
在六方密排晶格中，滑移系受到较多的限制。
In the hexagonal close packed structure, slip systems are more limited.
在六方密排晶格中，滑移系受到较多的限制。
In the hexagonal close packed structure, slip systems are more limited.
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