radar picket ship

例句：

1. 1.The radar picket ship was patrolling the coastline to detect any potential threats.
   雷达警戒舰正在海岸线巡逻，以探测任何潜在的威胁。
2. 2. The radar picket ship was responsible for monitoring air traffic and preventing accidents.
   雷达警戒舰负责监控空中交通并预防事故。
3. 3. The radar picket ship was a crucial asset in our military's defense efforts.
   雷达警戒舰是我们军队防御工作的关键资产。