ZStack

经典教材数据库系统概念，很多大学计算机系的研究生课程用书 (Classical concept of teaching materials database system, many university computer science graduate course books)

MT500是山特公司该型号的UPS后备电源的使用说明和编程的解析 (MT500 is UPS with ShanTe company,this is using and expleam)

VisualC++6.0基础与实例教程，VisualC++6.0使用说明，还有具体的实例，以及源代码(VisualC++6.0-based tutorials and examples, VisualC++6.0 instructions for use, there are specific examples and source code)

说明：  是一部window开发比较全面的书籍，书中涉及了window开发的所有内容，适合有一定编程基础的开发人员不断地学习。(Window is a more comprehensive development of books, book covers all the contents of window development for a certain programming based development staff have been learning.)

Lacquering, metallizing, shot blasting and High-quality chemical treatment On all types of metals.

国家标准GBT21436-2008,为车载雷达的测试、试验，研发人员提供依据及参考。(National standard GBT21436-2008, for the vehicle radar testing, testing, R & D personnel to provide basis and reference.)

zigbee开发指南，比较详细，希望对代价有帮助(xiexie da jia)

the document is a datasheet of Mifare 4K chip, and is useful to understand the Mifare applications

说明：  ＬＤＰＣ　编码算法　　基于LU的校验矩阵编码方法(LDPC coding algorithm based on LU checksum matrix encoding method)

海康SDK包,非常好用，里面他的流程写的很详细，你二次开发的时候可以完全参照他上面的写，谢谢。(sdk)