基于NLTK 的概率句法分析器，机器翻译中用概率方法分析一段句子的语法。用python语言开发-Parser based on the probability of NLTK, machine translation using a probabilistic method of sentence grammar. Language development with python

Python安装时没有修改系统注册表因而导致nltk安装失败，cmd运行该注册小程序即可。-Python installation did not modify the system registry, resulting in nltk installation failed, CMD to run the registration applet.