中文说明：An 天线(或空中) 是一种电子装置，转换为电力 请点击左侧文件开始预览 ！预览只提供20%的代码片段，完整代码需下载后查看 加载中 侵权举报
English Description：
An antenna (or aerial) is an electrical device which converts electric power Click the file on the left to start the preview,please ！The preview only provides 20% of the code snippets, the complete code needs to be downloaded Loading Report