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《ACIS的几何造型技术与系统开发》，是开发ACIS系统必备的资料-" ACIS geometric modeling technology and systems development," the development of ACIS system, the information necessary for

里面是QT的参考文档，详细介绍了QT定义的各个类，介绍非常清晰，是每个使用QT作为开发的研发人员必备的参考文档，可以按照类的定义进行查找，也可以按照函数进行查找，非常方便，个人感觉比msdn还要好用。

Advance linux programming

The Complete Reference to JAVA provides users with entire JAVA basics

Premier Press - Beginning Direct3D Game Programming, Second Edition.pdf是一本英文版direct入门教程-Premier Press- Beginning Direct3D Game Pr ogramming. Second Edition.pdf English is a direct portal Guide

曲线拟合涉及回答两个基本问题: 最佳拟合意味着什么？应该用什么样的曲线？可用许多不同 的方法定义最佳拟合, 并存在无穷数目的曲线. 所以, 从这里开始, 我们走向何方？正如它证实的那 样, 当最佳拟合被解释为在数据点的最小误差平方和, 且所用的曲线限定为多项式时, 那么曲线拟 合是相当简捷的.-Curve fitting involves answering two fundamental questions: What does it mean for the best fit? What should be the kind of curve? Available in many different ways to define the best fitting, and the existence of infinite number of curves. So, from here on, we going? As it proved, when the best fit is interpreted as data points in the smallest error sum of squares, and used to be limited to polynomial curve, then curve fitting is very simple.

很有帮组的 不用花钱买-help group is not spending money to buy

模拟真人走迷宫的程序原代码-lifelike simulation of the Maze procedure source

介绍了Java轻量级开发框架Spring的开发要点，是一份翻译书籍。-Introduce a lightweight Java development framework for the development of elements of Spring, is a translation of the book.

中文SQL Server 2005程序设计实训教程 冶金工业出版社 赵森 苏庆 肖蓉-SQL Server 2005 Programming Practical Guide metallurgical industry press ZHAO Sen Qing Xiao Rong