unit effective scattering area

例句：

1. 1. The radar system uses a unit effective scattering area to detect and track targets.
   雷达系统使用一个单位有效散射面积来检测和跟踪目标。
2. 2. The new design of the antenna has a unit effective scattering area of 0.5 square meters.
   新设计的天线具有0.5平方米的单位有效散射面积。
3. 3. The particle accelerator uses a unit effective scattering area to accelerate particles.
   粒子加速器使用一个单位有效散射面积来加速粒子。