並前往http://tea.japs.tp.edu.tw/~japsteagif/old/students/17/52assiment/17study/PPT/22%E6%9D%8E%E7%9B%9B%E5%AE%89%2021%E7%BE%85%E5%81%89%E4%B8%AD_%E6%B0%B4%E6%99%B6%E8%9D%A6.ppt