本文提出了信息空调的体系结构、参考模型、设备描述文件以及详细的通讯协议，工作量是巨大的。
In this thesis, lots of work has been done on architecture, reference model, device file, and communication protocol of information air conditioner.
采用基于EDOM的高速XML解析器，对大型EPA设备描述文件的高速解析和创建，提高软件整体的运行速度。
Adopting high speed XML parser based on EDOM to make parse and creation of large EPA device description file much faster, the run speed of total software is improved.
在上述研究的基础上，作者深入地研究了设备描述文件，希望可以减少设备描述文件的开发周期并降低再开发成本。
On the basis of these researches, an in-depth investigation of device description languages is taken to get a resolving method to reduce the development cycles and the re-development cost.
元文件设备描述表的使用，如何利用兼容dc实现图形的保存和再现。
Metafile device use, how to use DC-compatible graphics realize the preservation and reproduction.
设备抽象层为上层应用程序提供了一套标准的、与设备无关的通信接口，并且通过文件描述表、设备描述表和驱动描述表建立了从通信接口到设备驱动的映射。
The device Abstract Layer provides a set of standard communication interface functions unrelated with specific device, which is mapped to device drivers by file table, device table and driver table.
设备抽象层为上层应用程序提供了一套标准的、与设备无关的通信接口，并且通过文件描述表、设备描述表和驱动描述表建立了从通信接口到设备驱动的映射。
The device Abstract Layer provides a set of standard communication interface functions unrelated with specific device, which is mapped to device drivers by file table, device table and driver table.
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