quadrupole-lens focusing system

例句：

1. 1. Thequadrupole-lens focusing system is used in particle accelerators to focus beams of charged particles.
   四极透镜聚焦系统用于粒子加速器中，将带电粒子束聚焦。
2. 2.The quadrupole-lens focusing system has been optimized for maximum efficiency and minimal energy loss.
   四极透镜聚焦系统已被优化以实现最大效率和最小能量损失。
3. 3. The quadrupole-lens focusing system is a critical component of the particle accelerator's design, ensuring precise control over the particle beam.
   四极透镜聚焦系统是粒子加速器设计的关键组成部分，确保对粒子束的精确控制。