ground line的用法和樣例：
例句
- 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。 - The base line can be set out as a single or double chain.
基線可作為一條單鏈系或雙鏈系。 - Dr Beavan has started projects to develop long-base line tiltmeters with earthquake prediction in mind.
比花恩博士考慮到地震預報，開始發展長基線傾斜儀。
