overprep.在 ... 的上方；遍及地；在 ... 期间adv.穿过；完全覆盖；结束；落下n.(板球中)每个投球手一次连续所投出的球数over weld过焊

1. The hardware and software of the control system was newly designed, and the safeguards function was added into the new control system.
   进行了硬件部分和软件部分的设计，增加了运行过程中的安全保护控制功能。