谢奇慢博士意识到，他发现的是一种叫做准晶体的新物种。
What Dr Shechtman had discovered, he realised, was a new sort of material called a quasicrystal.
1984年准晶体的发现是近年来凝聚态物理的一个重大突破。
The discovery of quasicrystal around 1984 is a significant breakthrough for condensed matter physics in recent years.
在研究二维八面准晶体的物理性质中，介电、压电、弹性、光弹、拉曼和布里渊张量是很重要的。
In studying the physical properties of two-dimensional octagonal quasicrystals, electric susceptibility, piezoelectric, elastic, photoelastic, Raman and Brilliuin tensors are important.
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