基本解释[数学]不等权数英汉例句双语例句Minimum Description Length(MDL) principle is used to calculate the weights of the unequal-length candidate sequences based on the motif patterns selected.针对现有主旨模式挖掘算法易受噪声干扰的问题，提出一种基于最长公共子序列距离的挖掘算法。专业释义数学不等权数