並前往http://ftp//ftp.im.tku.edu.tw/Prof_aaliou/DP/2005%2520Fall/F001%25A7%25EB%25BCv%25A4%25F9/F001-CH02.ppt&ved=2ahUKEwi32ND6ibD0AhUHXsAKHYnyApQQFnoFCPYBEAE