dispersion equation的用法和樣例：
例句
- The landau damping rate is obtained by solving the dispersion equation of relativistic longitudinal plasmons with the sub-light-velocity numerically.
摘要在亞光速區，對處於相對論性振蕩的縱等離激元色散方程進行數值求解，得到了朗道阻尼係數的數值解。 - General formulas of the dyadic Green function are given.The dispersive equations of helix and cross-wound helix are analyzed.
給出了場的並矢格林函數的普遍形式，並以螺旋線和雙繞螺旋線為例，利用並矢格林函數法求解色散方程。
