双数组辞典生成程序。利用双数组实现trie算法，对于不定长度共同前缀查询情况，比哈希方法更为有效。经常用于分词辞典的制作。-array dictionary-generation procedures. Using two arrays to achieve Trie algorithm for the indefinite length of the inquiry common prefix than Hash methods more effective. Frequently used in the Word dictionary produced.