java 入门

数控技术是现代电学以及机械专业必不可少的一门专业课，本电子书是名师的力作-CNC technology is the modern electrical and mechanical professional essential to a specialized, this book is the teacher

book for debugging

tapestry的开发文档，包括一些源代码，希望对大家有用-tapestry of development documents, including some source code, it may be useful to hope

《c＋＋大学教程实验指导书》源码-"c++ university course guide experimental" FOSS

ajax快速入门,主要讲解原理与部门实现-Quick Start ajax, mainly on the principle and sector

modeling our world系列学习资料，中文版，是学习gis的非常好的资料。共10部分。-modeling our world series of learning materials, the Chinese version is studying gis very good information. A total of 10 parts.

history lecture of early to modern computers

介绍现场总线的好文章-introduced Fieldbus excellent article

JSF自定义组件的简单创建，其中有简单的例子可以参考。-JSF custom components to create a simple, including a simple example for reference.

主要是看如何产生矩形波，定义了矩形波的持续时间，采样点数-width points