一个用于单片机仿真的源程序代码，主要是用protues进行单片机仿真，对于单片机学习有很大帮助...

protel经典教程，制作PCB板很有用的参考资料，能让你对PCB板制作有更深地了解。-Protel Tutorial classic, the production of PCB board very useful reference materials on the PCB board allows you to have a deeper understanding of the production.

g723语音编码,ITU标准-voice coding, ITU standards

VBA For Outlook 2002 资料-VBA For information on 2002 Outlook

MFC消息映射机制的剖析，讲述如何运用ClassWizard，，理解发送给窗口的消息是如何被MFC框架通过窗口句柄映射表和消息映射表来用窗口类的函数进行响应的。掌握设备描述表及其封装类CDC的使用，CDC是如何与具体的设备发生关联的，融合具体的画图程序进行分析。如何设置封闭图形的填充刷子（位图画刷与透明画刷的使用）。-MFC message mapping mechanism analysis on how to use ClassWizard,, sent to the window to understand the news is how the MFC framework mapping table through the window handle and message mapping table to use window class of the response function. Master device and its use of CDC Packaging category, CDC is how specific equipment and related integration drawing specific procedures for analysis. How to set the closed graphics filled brushes (digital pictures with a transparent brush painting brush use).

里面包括了网友收集的很多arcobjects的学习心得和重要资料-Which includes a lot of friends gathered ArcObjects learning experience and important information

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MapX_Mobile_DevGuide的官方英文版指导教程，欢迎大家下载-MapX_Mobile_DevGuide the official English version of the guidance curriculum, welcome everyone to download

GPS卫星定位模块GR-85开发资料，支持多频率！定位速度快，就是停车漂移！-GPS satellite positioning module GR-85 development information, support multi-frequency! Positioning speed is stopping drift!

《地理信息系统设计》书中的配套powerpoint文档

步进电动机与驱动控制系统,详细介绍了步进电动机的类型和现有的几种控制方法.-stepper motor drive control system, detailing the stepper motor types and several existing control methods.