inverted L antenna

例句：

1. 1.The inverted L antenna is used to transmit signals over long distances.
   倒L天线用于在长距离上传输信号。
2. 2.The inverted L antenna is a popular choice for outdoor broadcasting.
   倒L天线是户外广播的热门选择。
3. 3. The inverted L antenna is designed to provide better reception and signal strength.
   倒L天线设计用来提供更好的接收和信号强度。