向量空间法（Vector Space Model ）是最简单快速的算法，但是它只适用于各个类之间差异比较明显的简单分类问题，而对于较复杂的情况，它的分类结果通常要相对差一些.-The vector space method (Vector Space Model) is the most simple and fast algorithm, but it applies only to the more obvious differences between the various classes of simple classification problems, For more complex situations, the classification results are usually to be relatively worse.