File handling module - functions to get a file ' s attributes , get created / last modified times , to read / write files as a single string chunk , get a directory structure as a collection , check if a file exists , and collect the shortpath 这个函数可用来获得一个文件的属性，获得文件创建/最新更新时间，用来读取/编写文件作为一个单一的串知识块，获得一个目录结构作为一个集合，检验一个文件是否存在，并收集快捷方式。
The updated version of sql server 2000 books online has the title " sql server 2000 books online updated . " also , each topic that contains new material in the updated books online has this tag at the top of the topic : " topic last updated - january 2004 " Sql server 2000联机丛书更新版本的标题为“ sql server 2000联机丛书（更新） ” 。此外，更新的联机丛书中包含新增内容的每个主题的顶部带有下列标记： “主题上次更新时间- 2004年1月” 。
Based on the analysis of the inadaptability of high volume data transport in nowadays hla / rti systems , the paper presented an approach for this problem . in our approach , token data , such as data size , data type , file name , storage path , updated time etc . , were sent via rti , and used to accomplish data publishing and subscribing , while the content of data went through the network layer 论文在分析现今的hla / rti系统对于大数据量数据传输的不适应性的基础上,提出了一种解决该问题的方案,即:将待传输数据的表征(如数据的大小、类型、文件名称、存放路径、更新时间等属性)通过rti来传输,并通过这些表征性数据完成数据的公布和订购,而数据的实际内容则通过网络层进行传输。
On incremental crawling module , according to the rapid updating frequency of news web sites , this paper adopts a way of mining time information of web pages . it makes use of the time information of pages to decrease the times of crawling web pages and searching in databases . thus we have efficiently solved the problem of incremental crawling the web sites with high updating frequency , and new web pages can be obtained in good time by users 本文在对增量采集技术说明中,针对诸如大型新闻门户网站更新频率快的特点,采用了网页的时间挖掘方法,通过对更新时间的考察,减少了下载网页的次数以及在数据库中查找的次数,比较有效的解决了对更新频率快的网站增量下载的问题,并使新出现的网页能够及时的被用户查找到。
