dispersion equation的用法和样例：
例句
- The landau damping rate is obtained by solving the dispersion equation of relativistic longitudinal plasmons with the sub-light-velocity numerically.
摘要在亚光速区，对处于相对论性振荡的纵等离激元色散方程进行数值求解，得到了朗道阻尼系数的数值解。 - General formulas of the dyadic Green function are given.The dispersive equations of helix and cross-wound helix are analyzed.
给出了场的并矢格林函数的普遍形式，并以螺旋线和双绕螺旋线为例，利用并矢格林函数法求解色散方程。
