英语翻译统计方法 （1) Q 型系统聚类 :采用欧氏距离,类与类的距离定义为最长距离,用最长距离法合并两类.数据处理采用

Statistical methods (1) Q type system clustering: using Euclidean distance, classes and class distance defined as the longest distance, use the longest distance method merged two kinds. Data processing by SPSS software. (2) Ridit analysis to grade material grades distribution ratio
Relatively, use X2 inspection and test XueShi X2 binary comparison, data processing, use of Excel software.