並前往https://idv.sinica.edu.tw/ectjliu/%E5%8A%89%E7%BF%A0%E6%BA%B6%E5%AD%B8%E8%A1%93%E8%91%97%E4%BD%9C/W10-%E7%92%B0%E5%A2%83%E5%8F%B22pdf/2009a%E8%87%BA%E7%81%A3%E6%B2%B3%E5%B7%9D%E6%B1%A1%E6%9F%93.pdf
