radar dead area

例句：

1. 1.The radar system detected a sudden drop in the signal, indicating a possible radar dead zone.
   雷达系统检测到信号突然下降，表明可能有一个雷达死区。
2. 2.During the search for survivors, the team found themselves in a radar dead zone where they couldn't be easily spotted by the enemy.
   在搜救幸存者的过程中，团队发现自己处于一个雷达死区，那里敌人不易被发现。
3. 3.The pilot navigated through the radar dead zone to avoid detection by the enemy aircraft.
   飞行员通过雷达死区导航，以避免被敌方飞机探测到。