交流电压测量 该程序已在模板上调试通过，可作读者的参考。有关显示部分请读者参考本书相关章节，有关A/D转换的详细设置请参考前面章节。-AC voltage measurement procedure has been through debugging on the template for the reader' s reference. For display part of the reader is referred to the relevant chapters of this book, related to A/D converter settings please refer to the previous section.