AS a streaming media format, ASF is the widely used in the distance learning. Each ASF file is composed of headerobject, data object and index object.
A SF文件格式是远程教育中使用较多的流媒体格式，A SF文件逻辑上由头对象、数据对象和索引对象组成。
2
It generates an HTML table with field names from the query result object as a header row, then each record listed subsequently.
它生成了一个html表，并且以来自查询结果对象的字段名作为表的标题行，之后，每条记录依次列出。
3
A request parser is chosen based on the transaction context to parse out the request business object which contains a control object as the header and a transaction object as the body.