radar cross section

例句：

1. 1.The radar cross section of the satellite is very high.
   卫星的雷达截面非常高。
2. 2. The radar cross section of the aircraft is measured in square meters.
   飞机的雷达截面以平方米为单位测量。
3. 3. The radar cross section of the target is calculated based on the range and angle of the radar beam.
   目标的雷达截面是根据雷达波束的距离和角度计算得出的。