Mastering Regular Expressions, 3rd Edition

超声变幅杆原理和设计,详细介绍了超声变幅杆的原理及设计，pdf电子书籍(the pricinple and design of the ultrasonic horn)

资料主要涉及软件破解教程，以及如何成为一个黑客。希望能对网络爱好者游泳(Mainly relates to software crack tutorial, and how to become a hacker. Hoping to swim to the network enthusiasts)

SIMULATION OF PACKET DATA NETWORKS USING OPNET In this paper we describe the use of the OPNET simulation tool for modeling and analysis of packet data networks.

说明：  操作系统课件 习题 ppt 和很好的课后习题答案(Operating system software ppt and good after-school exercises exercises answers)

protocol sensor net rar

"Practical PostgreSQL" - John C. Worsley and Joshua D. Drake. PostgreSQL Database for professionals.

研究生入学考试概率论与数理统计电子书，相关概率论与数理统计的理论知识(Graduate Management Admission Test- Probability Theory and Mathematical Statistics e-book)

高阶累积书籍，包含了双谱，1.5维谱的讲解和编程，值得拥有(High-end accumulation of books, including the bispectrum, lectures and programming 1.5 dimensional spectrum, worth having)

龙芯CPU+IP+资源简介，希望大家能够了解自己开发的芯片。(Godson CPU+ IP+ Resource profile, hope that we can understand their own chips.)

Migration and compatibility guidelines for STM32 microcontroller applications