这是一个日志产生文件,可以用于所有的系统和所有的文件.但是这个比通常的日志产生文件更节省时间.使用了两个基本的日志类以方便使用-This is a log produced documents that can be used in all the system and all the documents. However, the ratio is usually generated by the log more time-saving. The use of the log two bas