以下为句子列表：
英文: The present invent ion utilizes the top loading technique and the smooth tapering technique to create the design of a compact and built-in antenna which will provide a planar antenna structure with broad bandwidth and high radiation efficiency.
中文: 馈入传输线的宽度大致与渐变带段的底边同宽，且顶边与渐变带段的底边密接，而底边藕接至频电路。
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