ultrahigh-speed particle

例句：

1. 1. The particle accelerator is used to study the behavior of subatomic particles.
   粒子加速器用于研究亚原子粒子的行为。
2. 2. The particle detector can detect and identify subatomic particles with high precision.
   粒子探测器可以以高精度检测和识别亚原子粒子。
3. 3. In the process of nuclear fission, ultrahigh-speed particles are produced.
   在核裂变过程中，产生超高速粒子。