北航的symbian课程讲义，全面讲解symbian的系统结构和开发

blackjack .........\blackjack.jad .........\blackjack.jpx .........\blackjack.jpx.local .........\blackjack.jpx.local~ .........\blackjack.oif .........\jad-temp .........\........\Main.jad .........\res .........\...\

一篇论文，本文研究了现有图内外二维条码的种类、优势及相关识别技术；剖析移动端主流操作系统Symbian 0s体系结构及其应用程序的开发平台；并在此基础上搭建移动端二维条码识别系统。-Paper, two-dimensional bar code on the application of image processing algorithms