long-pulse radar

例句：

1. 1. The long-pulse radar system is used to detect and track enemy aircraft in the airspace.
   长脉冲雷达系统用于在空中域探测和跟踪敌机。
2. 2.The long-pulse radar system has been upgraded to improve its accuracy and range.
   长脉冲雷达系统已被升级以提高其精度和范围。
3. 3. The long-pulse radar system is a key component of our military's surveillance network.
   长脉冲雷达系统是我们军事监视网络的关键组成部分。