To count the large scale language corpus, to find some linguistic phenomena and to establish statistical model are the common method used in linguistic research and computational linguistic research.
对大规模语料进行统计，发现一些语言现象和建立统计语言模型，是语言学和计算语言学研究常用的方法。
2
The "small world" phenomena exit universally in nature and human society, and the small world network presents some special statistical characters.