详细解读了textrank算法的原理和实现过程，textrank是自然语言处理中的关键词提取模块的重要算法，其准确度和不需要语言模块的匹配特性让其在各方面运用-Detailed interpretation of the textrank algorithm principle and implementation process, textrank natural language processing keyword extraction module of the algorithm, its accuracy and do not need to match the characteristics of language modules so that in all aspects of the use of