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非常适合初学者的内部控制课件，内容详细，案例简介明晰，内容适用日常生活(Very suitable for beginners internal control courseware, detailed, case Introduction clarity, will apply in daily life)

Gocad是国际上公认的主流建模软件，在众多油公司和服务公司得到了广泛的应用。Gocad是以工作流程为核心的新一代地质建模软件，实现了高水平的半智能化建模，具有功能强，界面友好，易学易用，并能在几乎所有硬件平台上（Sun, SGI, PC-Linux, PC-Windows）运行的特点。 (Gocad is internationally recognized as a mainstream modeling software, in many oil companies and service companies have been widely used. Gocad based workflow as the core of a new generation of geological modeling software, to achieve a high level of semi-intelligent modeling, with powerful, user-friendly, easy to use, and can be in almost all hardware platforms (Sun, SGI, PC-Linux, PC-Windows) running characteristics.)

最好的点对点（PPP）学习文档，当年学习总结，希望对初学者有所帮助。(The best peer to peer (PPP) learning documents, then learning summary, I hope to help beginners.)

最短路径求解,Shortest path solution(Shortest path solution)

微软 Dynamics AX2012财务操作手册(Microsoft Dynamics AX2012 Financial Manual)

说明：  深入理解计算机系统（原书第2版）.pdf(In-depth understanding of computer systems (the original book version 2). Pdf)

c8051f02系列芯片手册,具体型号为c8051f020

a good hspice material

说明：  C语言动态存储管理的实现及常见问题分析 这是一篇很好的论文(C language implementation of dynamic memory management and frequently asked questions is a good analysis of this paper)

CI信息融合的算法的经典文献，适合做导航和信息融合的人士参考(Distributed data fusion using iterative covariance intersection)