program control instruction

例句：

1. 1. The program control instruction isdesigned to ensure the safety of the system.
   程序控制指令旨在确保系统的安全性。
2. 2. The programcontrol instruction was updated to improve user experience.
   程序控制指令已更新以提升用户体验。
3. 3. Theprogram control instruction is crucial for maintaining thestability of the system.
   程序控制指令对于维护系统的稳定性至关重要。