c#环境下,编程实现统计用词频率,类似于一般的背诵单词软件-Program in c# environment, word frequency statistics, similar to the general software to recite words

对一个字符串的单词数进行统计的程序,可以扩展为对文件中单词量的统计(A string of procedures for statistics on the number of words, can be extended for the statistics of the number of words in the file)