parasitically excited antenna

例句：

1. 1.The parasitically excited antenna is sensitive to changes in the environment.
   寄生性兴奋天线对环境变化非常敏感。
2. 2.The parasitically excited antenna is used for communication purposes.
   寄生性兴奋天线用于通信目的。
3. 3.The parasitically excited antenna can detect signals from faraway objects.
   寄生性兴奋天线可以探测远处物体的信号。