把这个材料和参考。非常有用的学习

非常不错的一款计算器程序，功能强大，可进行科学计数运算。-a very good calculator program. i hope that you can downlaod it.

IP电话的设计与实现.rar 本文从VoIP相关知识入手，介绍了IP电话的软硬件结构设计及实现方案，并描述了IP电话基于SIP的呼叫流程，并通过设计杂项的方式详细描述了系统中的几个关键点。内容仅供大家参考，更详细内容可参见源代码，源代码是最好的老师。-IP Phone Design and Implementation. Rar knowledge in this article from VoIP start with the introduction of the IP phone software and hardware design and realize the structure of the program, and describes the IP phone based on SIP call flow, and through the design of miscellaneous manner described in detail the system several key points. Content for your reference, more details can be found in the source code, source code is the best teacher.

这是关于LabVIEW的英文教程,内容详尽,图文并貌,适合于初学者.-on LabVIEW This is the English handbook, as detailed, facsimile and Maung, which is suitable for beginners.

TLC2543 5615 ch451 一些简易程序，不是太多，但是原理已经写清楚了。-TLC2543 5615 ch451 some simple procedures, not too much, but the principle has been written clearly.

在Java语言中，DataSource对象就是一个代表数据源实体的对象。一个数据源就是一个用来存 储数据的工具，它可以是复杂的大型企业级数据库，也可以是简单得只有行和列的文件。数据源可 以位于在服务器端，也可以位于客服端。 -In the Java language, DataSource object is a data source on behalf of the target entity. A data source is a tool used to store data, it can be large and complex enterprise-class database, but also can be so simple that only the rows and columns of the paper. Data source can be located on the server side can also be located in client customer service.

MySQL 从入门到精髓。20天学会MYSQL-MySQL from entry to the master

如题目：一下是第一章目录 第一章 硬件接口 　　1.1 3D应用程序与硬件的交互作用 　　　1.1.1 在计算机屏幕上显示图像 　　　1.1.2 事件反应 　　1.2 使用不同的体系结构 　　　1.2.1 MS-DOS. 　　　1.2.2 MS-Windows. 　　　1.2.3 X11. 　　　1.2.4 NeXTStep. 　　　1.2.5 MacOS.-Topics such as: what is the first Chapter Contents Chapter 1.1 3D hardware interface applications and hardware in the computer interaction 1.1.1 screen 1.1.2 Incident Response 1.2 image using a different architecture 1.2.1 MS-DOS. 1.2. 2 MS-Windows. 1.2.3 X11. 1.2.4 NeXTStep. 1.2.5 MacOS.

This file is part of libquickmail.  ibquickmail is distributed in the hope that it will be useful,    but WITHOUT ANY WARRANTY; w

介绍了软件项目管理中的软件质量管理，包括目的、流程、表格、建议等。-Introduced a software project management software quality management, including the purpose, processes, forms, and suggestions.

基于PCI总线和DSP的步进电机运动控制卡的设计和实现-Based on the PCI bus and DSP-stepper motor motion control card design and realize