船长用DSC系统向附近船只发送紧急位置信息。

The captain used ___DSC to broadcast an emergency position to nearby vessels.

在下雨天，汽车的动态稳定控制系统帮助防止打滑。

The car's ___DSC helps prevent skidding on rainy days.

实验室使用DSC系统快速灭菌实验器材。

The laboratory uses a ___DSC system to quickly sterilize the experimental equipment.