您要查找的是不是：
- 高阶模higher-order mode
- 高阶模TM310High-order mode TM310
- 高阶模（HOM）Higher order modes
- 矢量有限元方法精确计算轴对称谐振腔高阶模Accurate Computation on High Order Modes of Axial-symmetric Cavity with Vector Finite Element Method
- 三阶矢量有限元方法精确计算轴对称谐振腔高阶模Accurate Computation on High Order Modes of Axial-Symmetric Cavity with the Third Order Vector Finite-Element Method
