helical antenna的用法和樣例：
例句
- Cage Antenna An antenna having conductors arranged cylindrically.
籠形天線天線的導體按照圓柱形排列。 - The principles of microstrip balun and printed dipole were analyzed, and the antenna's ground plane was extended and shaped to form the reflecting structure.
分析微帶巴倫和印製偶極子的工作原理，延伸並成形天線的地平面以得到反射結構。 - An Archimedean plannar spiral antenna mounted on the grounded double layer is investiged.
本文對接地雙層介質結構上的阿基米德平面螺旋天線進行了研究。
