简要介绍了UCL的概念和大规模并播系统的组成、前端的数据包格式和UCL信息包格式；讲解了数据接收端的软件设计方案和各个模块的功能；并概括地描述了UCL的应用前景。
The concept of UCL, the configuration of large scale parallel broadcast system, data packet format and UCL in-formation packet format in the head-end system are described in this paper.
这些例子说明，对于快速访问nitf格式的新闻文章中的特定信息片断，XML_NITF包不失为一种方便的工具。
As these examples illustrate, the XML_NITF package provides a useful tool to quickly access specific fragments of information about a news article encoded in NITF format.
年引入的 ZIP 文件格式通过删除文件中的空白空间和冗余信息以及把多个文件打成一个包的方式，帮助计算机用户传输大型文件。
The ZIP file format, introduced in 1989, helps computer users transport large files by removing the empty spaces and redundant information from a file and by packaging multiple files into one bundle.
应用推荐