parametric variation channel

例句：

1. 1. The parametric variation channel is a critical component inthe design of the system.
   参数变异通道是系统设计中的关键组成部分。
2. 2. The parametricvariation channel allows for flexibility in the system's operation.
   参数变异通道使系统的操作具有灵活性。
3. 3. The parametric variation channel isused to control the system's responseto changes in external conditions.
   参数变异通道用于控制系统对外部条件变化的反应。