highly-directional antenna

例句：

1. 1.The highly-directional antenna is used to receive signals from satellites.
   这种高度定向天线用于接收来自卫星的信号。
2. 2.In the new model, the highly-directional antenna has been improved significantly.
   在新款模型中，高度定向天线得到了显著改进。
3. 3.The highly-directional antenna is crucial for the success of a communication system.
   高度定向天线对于通信系统的成功至关重要。