vortex filament

例句：

1. 1.The vortex filament is a crucial component in the formation of tornadoes.
   涡流丝线是形成龙卷风的关键组成部分。
2. 2. The scientist observed the vortex filament and determined its direction.
   科学家观察了涡流丝线，并确定了其方向。
3. 3. The vortex filament was responsible for the intense heat and energy generated during the collision.
   涡流丝线在碰撞过程中产生了强烈的热量和能量。