perturation method的用法和樣例：
例句
- Characteristics of omni-directional dielectric rod grating leaky antennas with arbitrary profiles are investigated by an improved perturbation method.
摘要用改進(jìn)微擾法分析了任意曲線(xiàn)形狀圓柱形介質(zhì)柵全向天線(xiàn)的輻射特性。 - The ground state energy of the magnetopolaron is derived by using a linear combination operator and the perturbation method.
采用線(xiàn)性組合算符和微擾法，導出了半導體量子點(diǎn)中磁極化子的基態(tài)能量。
