compound control

例句：

1. 1. The new system combines both manual and automatic controls for optimalperformance.
   新系统结合了手动和自动控制，以实现最佳性能。
2. 2. The compound controlsystem is designed to prevent overheatingin the engine.
   复合控制系统旨在防止发动机过热。
3. 3.The engineers developed a compound control algorithmthat improved efficiency by 20%.
   工程师们开发了一种复合控制算法，提高了效率20%。