介绍QGIS的中文教程,是初学GIS的很好的参考手册.

51试验板图纸可以自已动手制做-51 drawings plate can test their own hands so the system

【内容简介】 本书是关于C语言的详尽的参考手册。最新的第5版增加了对C99标准的介绍，更加符合当前读者学习C语言的需要。 -【Brief Introduction】 This book is about the C language, a detailed reference manual. The latest version 5 adds support for C99 standard introduced the reader to learn more in line with the current C language needs.

初始的学生成绩信息文件名为porduct，如要利用此系统进行学生成绩信息的管理，系统会提示用户输入学生成绩信息的文件名，则要输入此文件名，或输入管理员使用系统时新建的文件名。如删除该文件，则需在系统中调用相应的功能函数重新创建初始化文件。 初始的用户信息所在的文件名为yonghu，系统默认即为此文件名，不可删除。 -Initial student performance information file named porduct, such as to make use of this system for the management of student achievement information, the system prompts the user to enter student performance information file name, will have to enter this file name, or enter a new administrator when using the system the file name. Such as delete the file, then call in the system function corresponding to re-create the initialization file. User information where the initial document yonghu, that is, to this end the system default file name, can not delete.

这个例子通过对C++继承特性的学习，并用导师和学生之间的关系进行了编写程序。-Through this example, C++ inheritance properties of learning, and use the relationship between teachers and students had to write programs.

c++库函数(中文) + Visual+C+++多线程编程+详解.pdf-c++ datum

本书是西安交通大学王兆安、黄俊主编的电力电子技术的电子版，希望对大家有帮助！-This book is Xi" an Jiaotong University, Wang Zhao, Huang editor of power electronics technology, electronic version, we want to help!

C 函数查询,包含C语言中所有的函数使用说明。及接口-C Function Query

＜Visual Basic.NET编程培训教程＞源代码- source code

regarding socket programming

示波器基础知识 示波器基础知识 示波器基础知识 示波器基础知识-Basic knowledge of the basics of oscilloscope oscilloscope