並前往https://ocw.niu.edu.tw/pluginfile.php/508/mod_folder/content/0/Chapter%2013%20%E5%9C%8B%E6%B0%91%E6%89%80%E5%BE%97%E5%B8%B3-%E5%AE%8C%E6%95%B4%E7%89%88.pdf?forcedownload=1