reflecting antenna

例句：

1. 1. The engineer designed a reflecting antenna to improve the signal strength.
   工程师设计了一个反射天线来提高信号强度。
2. 2.The scientist used a reflecting antenna to study the behavior of particles in space.
   科学家使用反射天线研究空间中粒子的行为。
3. 3. The military developed a reflecting antenna to detect enemy missiles at long distances.
   军事部门开发了一种反射天线，用于远距离探测敌方导弹。