xna游戏入门代码，非常的实用,主要面向C#的游戏编程,如果有兴趣，大家可以下载学习学习...

美国Delta Tau公司PMAC多轴运动控制卡的VC++示例程序(Delta Tau American companies PMAC multi-axis motion control card VC++ Sample procedures)

ODBC编程实例，使用ODBC对基于开关量数据采集卡的通信接口设计与实现。(ODBC programming examples, using ODBC for data acquisition card based digital communications interface design and implementation.)

说明：  模糊PID控制器,解决了规则爆炸的问题,同时改善了系统的动态性能和实时性(Fuzzy PID controller to solve the rule explosion problem, while improving the system dynamic performance and real-time)

NASA worldwind插件，用于显示卫星轨迹，包含SatelliteTracker类。基于Direct3D技术。(NASA worldwind plugin for displaying satellite trajectory, including SatelliteTracker classes. Based on Direct3D technology.)

超声波的壁障方案,该方案可以确保APM能正常的使用和加载超声波模块，可以进行自动话壁障和自动导航！(ultrasonic barrier scheme)

解压，替换包名，key直接打包运行。自用工程，真实有效，亲测可用

x86平台下基于PCA9555的IIC控制GPIO驱动，linux系统为opensuse11，可以作为示例代码参考用。(x86 platform, the IIC control based PCA9555 GPIO driver, linux system opensuse11, sample code can serve as a reference.)

C开发人员，初级面试100道题，可以多看看，有利于打开开发的门。(C developers, primary interview 100 questions, you can see more, to open the doors of development.)

导入数据，可以实现画k线图和成交量图，是学习股票软件开发的好例子-Import data, you can achieve the draw k line graph and volume charts to learn the stock a good example of software development

一个可以用来是设计人体模型的源代码,可以用()