並前往http://nhulme2.nhu.edu.tw/download.php?filename=50_eda732f1.ppt&dir=personal_subject/&title=ch2%E6%9C%83%E8%A8%88%E7%A8%8B%E5%BA%8F-Ch2%E6%9C%83%E8%A8%88%E7%A8%8B%E5%BA%8F
