folded dipole antenna

例句：

1. 1. The folded dipole antenna was designed to improve the signal strength in urban areas.
   折叠偶极天线被设计用来改善城市地区的信号强度。
2. 2. The foldable antenna is a popular choice for outdoor use due to its portability and ease of installation.
   可折叠天线因其便携性和安装简便而成为户外使用的首选。
3. 3. The folded dipole antenna has been shown to be effective in reducing interference from nearby electronic devices.
   折叠偶极天线已被证明能有效减少附近电子设备的干扰。