四选一数据选择器.vi 3-8译码器.vi 全减器.vi 时钟.vi RS触发器.vi-4 Select a data selector. Vi 3-8 decoder. Vi Full reduction device. Vi Clock. Vi RS flip-flop. Vi

Qt5.7.0 2D绘图.表盘时钟+数字时钟 有比较详细的注释 其他功能:允许选择表针颜色（和刻度对应） 选择表盘字体字号 -. Qt5.7.0 2D graphics digital clock dial clock+ a more detailed notes Additional features: Allows you to the color of the hands (and the corresponding scale) dial font size