为msra语料加入标记信息，以便进行后续处理，文件中有标注前和标注后的例子，很容易看懂

为msra语料加入标记信息，以便进行后续处理，文件中有标注前和标注后的例子，很容易看懂-Corpus for msra marking information for follow-up processing, document marking before and after examples of tagging, it is easy to understand