非谐性 meaning in English

anharmonicity
anhermonicity

In the second chapter , the conceptions of solids - - - - - - - structure , compressibility , expansivity , specific heat capacity , bulk modulus , and some nonlinear parameters are reviewed and elaborated . the basic theory in the broad sense and polynomial forms of eoss are stated
由于本论文研究的重点对象是固态物质系统的物态方程，所以第二章首先是对固体的有关概念? ?固体的结构、拉伸压缩、热膨胀、热容量、及表征组成固体的大量原子作非谐性振动的一些非线性参量? anderson - gr (