GeoLite2-City.mmdb

说明：  这是一本关于网站架构、负载均衡、性能优化方面的书籍(Books on Web Architecture, Load Balancing, Performance Optimization)

说明：  工具说明，EDA工具的DataSheet，简单介绍及相关的参考文档(Tool Description, Data Sheet of EDA Tool, Brief Introduction and Related Reference Documents)

说明：  通过运用该程序可以方便管理各种各样的文献资料，你值得拥有哦(Look at the literature)

有关字符处理及获取机器日期的一些源程序- Related character processing and gain machine date some source programs

DShow编写的俄罗斯方块的源代码，非常漂亮-DShow sheet prepared by the Russian source, very beautiful

说明：  实现俄罗斯方块游戏的简单小程序，适合初学者学习。(A simple Tetris game to achieve a small program, suitable for beginners to learn.)

计算地震记录的加速度反应谱、速度反应谱以及位移反应谱(Calculation of ground motion response spectrum)

西北工业大学飞行动力学讲座专用课件，包含飞行器建模、控制律设计、本体特性分析等重要知识(The special courseware of the lecture on flight dynamics of Northwestern Polytechnical University includes the important knowledge of aircraft modeling, control law design, and the analysis of the characteristics of the body.)

C++程序供初学者使用-C program for beginners

实现PID自动控制，用C#实现无负压供电(Realization of PID automatic control and non-negative voltage power supply with C#)