在DOS下实现菜单的下拉与子菜单功能嵌套

用STARES598PCI单板开发机设计一个应用接口芯片作为四个七段LED数码管的输出口，编写一段程序，使8个LED数码管依次闪烁左移显示从输入口的逻辑开关读入的4位数字，闪烁频率为每秒一次。其外，还需实现一些附加功能，比如：可控制左移还是右移；可重新输入另外一个四位数；输入时可回显；以及输入时的十六进制到十进制的转换的等问题。 由此可见，要实现以上的功能，需要8个7段LED数码管和逻辑开关，闪烁的频率为1s。从开关读数，用LED显示。 -Machine Design STARES598PCI veneer developed with an application interface chip as the four seven-segment LED digital tube output, write a procedure so eight left blinking LED digital tube displays turn the logic of switching from the input port read 4-digit , flicker frequency of once per second. Besides, need to realize some additional features, such as: can control the left or a shift to the right can re-enter another one four-digit number input to echo and hexadecimal input to decimal conversion and other issues . Thus, to achieve the above functionality, you need eight 7-segment LED digital control and logic switches, blinking frequency of 1s. Readings from the switch, with LED display.

基于ds1302d模块电子万年历设计和说明-Ds1302d module design based on the electronic calendar and notes

通过三个具体实例介绍乐MATLAB语言在化学中的应用，说明在数值计算方面其有着比目前流行的高级语言FORTRAN,PASCAL,C无法比拟的强大功能-through three specific examples music MATLAB in chemistry applications, Note the numerical calculation of their share than the currently popular high-level language FORTRAN, and PASCAL. C can not compare with the powerful functions

acm竞赛代码资料 构造后缀数据程序及其几个应用-acm contest code suffix data process data structure and its several applications

SIM卡座资料，结构尺寸和定义，有多种选择。-SIM card connector data, structure, size and definition, there are a number of options.

基于ASP组件技术的WebGIS解决方案-ASP-based component technology solutions WebGIS

Fine Grained Access Control For Java Programs

毕业设计题目管理系统-gregrtsggrresgre

this csharp file of gui interface in csharp-this csharp file of gui interface in csharp

UML基础(好)-UML based (good)