双语例句
We maintain 24-hour alert.
“我们二十四小时保持警觉”。
This system achieves a low-cost intelligent unmanned supervisory function, and realizes a 24-hour unmanned surveillance, and with real-time news reporting and emergency alert function.
系统不仅可以实现24小时无人监控,并具有实时消息报告与紧急报警的功能。