To cope with differences in length, we wanted our measure to assign two completely dissimilar data files a score of0 and two identical ones a score of1, regardless of their sizes.

• 为了处理长度的差异，我们期望新方法能将两个完全不同的资讯档案给予0分，两个完全相同的给予1分，根本不去理会它们的长度。