並前往https://md1.mdhs.tc.edu.tw/tp/teacher/TE229/%E7%8F%AD%E7%B4%9A%E7%B6%93%E7%87%9F/ch1%E8%89%B2%E5%BD%A9%E8%88%87%E4%BA%BA%E7%94%9F.ppt