並前往http://mail.knu.edu.tw/tssheu/FY103%201201/FY103%201201%20Ch%2011%20%E9%9B%99%E6%A5%B5%E6%80%A7%E6%8E%A5%E9%9D%A2%E9%9B%BB%E6%99%B6%E9%AB%94%2001.pdf