MHD wave

例句：

1. 1.The MHD wave is a phenomenon that occurs in the Earth's crust during earthquakes.
   MHD波是一种在地震期间发生在地球地壳的现象。
2. 2. The MHD wave has been used to study the behavior of matter under extreme conditions.
   MHD波已被用来研究物质在极端条件下的行为。
3. 3.The MHD wave has been used to create new materials with unique properties.
   MHD波已被用来创造具有独特性质的新材料。