异步电机控制系统（变频调速）频率测量的基本方法…

缓存设计详解,对缓存在web应用上的设计做了比较全面的阐述.-Cache design Xiangjie, to the cache in the design of web applications have done a more comprehensive elaboration.

实现小车的加速减速和转向功能,并且可以检测黑线和光源-Realize the acceleration of car speed and steering functions, and can detect the black line and light source

版权所有2004 Sergiu Dumitriu，Marta Gî rdea，C&ŧ259 t&ŧ259 lin Hri&ţ355 cu根据GNU Free Documentation License 1.2版或自由软件基金会发布的任何更高版本的条款，授予复制、分发和/或修改本文档的许可，不包含固定章节、封面文本，没有封底短信。许可证副本包含在“GNU免费文档许可证”一节中，所有品牌名称、产品名称或商标均属于其各自的持有人。

GRUB三步通，详细讲解其工作过程原理分析-GRUB pass three-step detail the course of their work on the principle of analysis

电信本地网计费解决方案,在多个地方有成功应用案例.-local telecommunications network accounting solutions, in many places a successful application cases.

2nd good for the bigginer of oracle or sql

VT6212 PCI转USB2.0原理图。目前最常用的转接卡电路图-VT6212 PCI to USB2.0 schematic. At present, the most commonly used adapter circuit diagram

本文给出了一种避免网站危机的方法,即从软件工程的角度分析了电子商务网站建设过程中的常见问题,提出利用软件工程原理来规划整个电子商务网站。-In this paper, a Web site to avoid crisis, that is, from the perspective of software engineering analysis of the construction process of e-commerce website frequently asked questions, the use of software engineering principles to plan the entire e-commerce sites.

提出了基于嵌入式技术CCD 采集系统的新方法,并以ARM微处理器和FPGA 芯片为核心设计了嵌入式CCD 采集系统,解决了传统采集方法中系统过于庞大和复杂的问题,具有结构简单、小型化和智能化的特点。试验结果表明,该系统实现了CCD 输出图像的高速采集和实时显示,数据采集速率达到5 MHz。-Embedded technology based on CCD acquisition system A new method, and ARM microprocessors and FPGA chip is designed as the core embedded CCD acquisition system to address the traditional acquisition methods in the system too large and complex problems, is simple in structure, small and intelligent features. Experimental results show that the system realizes high-speed CCD output image acquisition and real-time display, data acquisition rate up to 5 MHz.

某220KV区域性变电所一次系统设计。主变为2×120MVA，电压比为220/121/10.5KV，容量比为100/100/50，本期工程一次建成，设计中留有扩建的余地。-220KV substation of a regional one system design. Main becomes 2 × 120MVA, voltage ratio 220/121/10.5KV, the capacity ratio of 100/100/50, the current project once completed, the design leaves room for expansion.