secondary wave

• 二级波,次级波,地震横波,次波,次生波,副波

secondary wave的用法和样例：

例句

1. Successive positions of the wave front are then given by the envelopes of the secondary waves.
   因此波前的相继位置即为次波的包络面。
2. Furthermore, the non-dimensional propagation speed of an ISW declines and the dissipation of wave energy increases as the blockage parameter increases.
   随无因次障碍参数的增大，无因次波速减小，而内波的能量消散增大。