这是看似简单的问题：给定空间两点坐标，让一个小球从起点滚动到终点，问小球沿着怎样的路径滚动的 最快？很多人会以为是直线，其实不然。该演示系统从模拟真实物体的客观...

转速电流双闭环直流调速系统中，转速调节器的仿真模型-Speed of current dual-Loop DC Motor Control System, the speed regulator of the simulation model

_listbox演示程序-_listbox Demonstration Program

获取系统时间 and 获取当前时间..............并计算时间差-Access to system time and obtain the current time and calculate the time difference ..............

Powerbuilder的托盘程序源代码-Powerbuilder tray source code

VB考勤系统源程序-VB source appraisal system

验证你的节奏感，尤其是你在听觉上的反应程度。-Verify your sense of rhythm, in particular, is that you are hearing on the degree of response.

MEPG2压缩/解压缩源码示例 -intrigued compression/decompression source code examples

中缀表达式的C++实现，包括多个实用头文件-Infix expressions C++ implementation, including a number of practical header files

设计一个文件的合并和分割工具。 （1）要求图形界面，用户界面友好。 （2）可以将几个文件（能在硬盘中选择的）按照用户输入的大小分割成几个小文件，同样，也可以将几个小文件 合并成一个大文件。文件名和存储路径可以由用户输入，也可以选择硬盘上的文件名和路径。 （3）可在工具中显示合并有关文件的信息和合并后各个小文件的有关信息，包括文件太小，文件所在位置，文件 名称，文件的所有者等信息。 -design of a document to the merger and segmentation tools. (1) requires a graphical interface, user friendly interface. (2) can be several documents (in the hard disk of choice) according to the size of user input is divided into several small files, as are several small can be merged into one document file. Name and storage paths can be input by the user, can also choose to drive on the file name and path. (3) The instrument shown in the merger of the information and documents after the merger of various small documents relevant information, including documents too small, the location of documents, document name, the owner of documents and other information.