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说明：  超声波壁障由舵机带动超声波检测周围障碍物，前端遥控功能，循迹功能，(Ultrasound Wall Barrier, Front End Remote Control Function)

Performance Based Design - an intense and practical edu semuinar

说明：  Hadoop构建数据仓库实践 操作指南 大数据知识(hadoop java hive bigdata)

自动档位切换数字电压表，有5个档位，0-20mV,20mV-2V,2V-20V,20V-200V,200V-1000V,包含proteus全套仿真，keil 4 C语言程序。(Automatic gear switching digital voltmeter, there are five stalls ,0-20mV, 20mV-2V, 2V-20V, 20V-200V, 200V-1000V, including a full simulation proteus, keil 4 C language program.)

混沌现象演示的两个FLASH，在演示过程中可调整参数改变条件观察混沌现象，可以使初学者更好的理解混沌现象的产生！-chaos FLASH demonstration of the two, In the course of the demonstration adjustable parameters observed chaotic conditions change, Beginners can better understand the phenomenon have chaos!

KTV点歌程序的源代码，包含readme文件。(The song source code。Including the document of readme. )

C++普通计算器的功能，实现整数、小数的加减乘除的算法，有退格、清空的功能。(Common calculator functions)

GoDS (Go Data Structures). Containers (Sets, Lists, Stacks, Maps, Trees),

说明：  通过matlab和Excel计算梁顶面底面温度梯度应力。(Calculation of temperature gradient stress of beam by MATLAB)

说明：  自由领域ASP+WAP同学录是一套即可用电脑浏览又可以用手机访问的互动同学录单班级系统。这套系统同学录系统可以满足现在WAP普及的今天同学用手机上网交流的需求，做到了时时刻刻可以连上自己的班级网站，时时刻刻可以用手机了解同学的情况，让同学间的交流变的易如反掌！(free areas ASP website WAP is a set of computer-View can also be used to visit the interactive mobile students recorded single-class system. The system networking systems to meet the now popular WAP phone today classmates Internet exchange demand, do always be connected to their class website, always phone can be used to understand the students, students exchanges between the change of cake!)