The third prominent belt follows the submerged mid-Atlantic Ridge. 第三个主要的地震带沿大西洋中脊分布。
The influence of the ridge position on the cutoff wavelength of the dominant mode in asymmetric single ridge waveguide is analyzed by finite difference method. 用有限差分方法分析不对称脊波导中脊位置变化时对主模截止波长的影响。
