全部

1·In studying the physical properties of two-dimensional octagonal quasicrystals, electric susceptibility, piezoelectric, elastic, photoelastic, Raman and Brilliuin tensors are important.

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。