And then, when all of us were safely on board, there was a blast of martial-style music as the guards on the platform gave a final cheer and a wave and the train slowly pulled away.
然后，当所有乘客安全上了车，军乐般的音乐奏起，站台上的卫兵向列车最后挥手致意，火车慢慢开动了。
2
In field practice, a subsurface is mapped by arranging a series ofwave-train sources, such as small dynamite explosions, in a grid pattern…
To decrease the effect of compression wave, the numerical simulation of a three-dimensional viscous flow induced by a high-speed train entering tunnels with a shaft was made.