现今物理学最大的分支学科是凝聚态物质。
准晶作为一种新的固态物质结构给传统的凝聚态物理学带来了深刻的变革，其弹性基本方程比传统晶体的弹性基本方程要复杂得多。
As a new structure of solid matter quasicrystal brings profound new ideas to the traditional condensed matter physics, its elastic equations are more complicated than that of traditional crystal.
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