網路開發用g.704的文件檔，內容包含一些網路layer2 與layer3的內容Generic framing procedure -Web developers use g.704 file file includes some of the content network layer2 and layer3 Generic framing procedure

MP3 layer3 原理及各个函数的详细解析 对学习挺MP3挺有帮助的-The MP3 layer3 principles and detailed analysis of the various functions of learning quite the MP3 Tingyou help

layer3 message analysis