与短路针加载矩形和圆形贴片天线相比，短路针加载三角形贴片天线具有更低的谐振频率。
Compared to rectangular and circular patch antenna loaded with a shorting pin, triangular patch antenna loaded with a shorting pin has lower resonant frequency.
雷雨天气最好不要打开收音机，因为收音机的天线有避雷针的作用，会吸收闪电，所以一定要收起来。
A thunderstorm had better not open radio, because the radio antenna has the function of the lightning rod, can absorb the lightning, so be sure to save.
雷雨天气最好不要打开收音机，因为收音机的天线有避雷针的作用，会吸收闪电，所以一定要收起来。
A thunderstorm had better not open radio, because the radio antenna has the function of the lightning rod, can absorb the lightning, so be sure to save.
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