如果您在不小心的时候把一个很重要的文件彻底删除了，那么这个软件将可以帮您找回您的文件，前提是不能有新的文件写入。...

medical shop managment system using java

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一个EJB教程-an EJB Guide

这个程序可以计算给定点处的小区信号范围覆盖。-is program computes a map of visibility from a selected point on a topography. It has been written to help the search for radio relay best location. Because it considers only direct line of sight, it gives a good estimation for possible radio link for short distances only (less than 10 km), neglecting curvature of the Earth, Fresnel zone and atmospheric refraction on radio waves propagation. The program computes the relative elevation angle of the mask for each point (the angle is null or negative if the point is visible). The function needs a digital elevation model Z and associated (X,Y) vectors or matrices of coordinates (same unit as Z), position of the point (X0,Y0), the antenna height H0 (for instance 4 m), and the hypothetic antenna height Ha on each topography points (for instance 3 m). When no output argument is given, the function plots a map of the results (color map of mask angles, and blank for visible points, see example screenshot). The s

我们利用MIS系统的前台开发PowerBuilder 90 设计了一套程序，在普通激光打印机上实现了条码打印，圆满的解决了生产管理上的条码问题。 -We use the future development of MIS system for the design of a set of PowerBuilder 9.0 program

本软件由ZHG用TC2.0开发，可用来进行简单画图、查看由本软件制作的图形文件以及使用配套函数show_bmp在C语言程序中直接使用已画好的图形。具体操作如下： 1.主界面上方为菜单栏，左边为工具栏。要使用请单击“新建”或“打开”按钮，退出可单击右上角椭圆。 2.进入后，可单击工具栏选择画笔、规则图形及颜色。左击图形库，画实线图，右击可画虚线图。在编辑区中，用左键拖动鼠标为画笔画图，右键拖动可画规则图形。（建议下载到D盘） -the software used by the TC ZHG development, which can be used for simple drawing, View from the software produced by the graphics files and the use of complementary functions in C language show_bmp procedures used directly Painting has good graphics. Specific operations, as follows : 1. The main interface to the top menu bar, as a tool for the left column. To use click "new" or "open" button, can withdraw from the upper right elliptical. 2. After entering, click column selection brush tool, rules and color graphics. Left attack graphics library, painting solid lines map, right click on the dotted line can be painted map. Editing area, and use the mouse to point and drag brush painting, the right-scrolling graphics rules can be painted. (D downloade

贪吃蛇游戏源程序,可在VC++中运行,欢迎使用-Snake game source, the VC operation, welcomed the use of

利用socket 聊天软件（简单界面） vc++开发的 -Use socket chat software (simple interface) vc++ Development

最长子序列的求解,用于查找几个序列中最长的公共子序列，并且返回查找结果-it can be used to search a longest subsequence