It is a vending machine.

SMS Messenger Mobile 104

包括了一些VC编程实例，虽然程序比较小但对于初学者还是很有帮助的-Including a number of VC programming examples, although the procedure is relatively small but still helpful for beginners

一个可以生成标准翼型坐标，并对翼型在不同攻角下进行升力系数及阻力系数计算的软件。-Can generate a standard airfoil coordinates, and the airfoil at different angle of attack carried out under the lift coefficient and drag coefficient calculation software.

matlab对aloha，s-aloha的仿真-matlab pairs of aloha, s-aloha Simulation

模拟vt102虚拟机，可连接mud.bbs等-Analog vt102 virtual machine, can be connected to mud

debian linux 硬盘安装文件.硬盘安装硬盘安装-debian linux hard disk installation files. the hard disk to install the hard disk installation

为什么这个网站要弄这么麻烦啊？？真是搞不明白，有好东西，就拿出来大家看看嘛。-why this site to get too much trouble ah? ? Really do not know, there are good things, we look at Take out ".

或许大家都设计过数据库,也为表定义过主键,今天我想阐述的是,应该如何正确的设计一个主键,在以往的一些资料中,都没有提及到主键设计的原则.我为此总结了一下: -you might have designed the database, as well as table-defined primary key, and today I would like to explain is that How should correct the design of a primary key, in the past some of the information. no mention of the primary key design principle. I summarize this for a moment :

16对红外对管的寻线板的主控程序，在AVR单片机上使用-16 pairs of infrared on the tube line-tracking master board program, using the AVR microcontroller

人事管理系统 利用powerbuilder -Personnel Management System using PowerBuilder