convergence phase control

例句：

1. 1.The convergence phase is crucial for the stability of the system.
   收敛阶段对于系统的稳定至关重要。
2. 2. The convergence phase is where the two waves meet and combine.
   收敛阶段是两个波相遇和合并的地方。
3. 3.The convergence phase is also where the energy is concentrated.
   收敛阶段也是能量集中的地方。