本程序使用状态转换思想统计单词个数，统计单词时共有4种状体可供转化：

1：是字符但不是单词状

2：是字符但是单词状

3：不是字符但是单词状

4：不是字符但不是单词状-This program uses the number of state transitions ideological statistical word statistical word-like body for a total of four kinds of transformation: 1: Yes, but not a word like two characters: the character, but like three words: not a character but a word like 4: not character but not a word like