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北京石油化工学院2026年研究生招生接收调剂公告
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[求助] 请物理的大神帮忙看看这段话什么意思【物理小白求教】

物理小白求教
Explain the possibility of reasons, which the surface of Brillouin zone, as a large number of empty conduction band states occurred why? In order to, two times more than the number of valence band are empty? and frequency grid points are adopted in optical properties calculations? However, author/s have compared the conventional electronic structure calculations of VB? explain briefly.

这样翻译对吗,解释布里渊区表面为什么会出现大量空导带,为了使导带是空带的数量多于价带的两倍,在光学特性计算中采取频率观点,但是作者参照了价带的经典电子结构算法


这个应该怎么解释,
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