基于离散子串匹配算法的电子辞典。对每个词条算出一个匹配度，查询时根据匹配度大小依次顺序列出词条；词库较大，因此采用了分类索引的算法，提高了查询速度。-Based on discrete substring matching algorithm of electronic dictionaries. Calculated for each term of a match, the query sequence according to the size of matching entries li