这是本人耗费2周时间精心制作的PPT演示动画文档，专门讲述嵌入式纯以太网一卡通设备的真假区分。绝对原创！
This is the time I spent two weeks carefully crafted animation PPT document devoted to pure Ethernet card embedded devices distinguish between true and false. Absolute originality! (2013-08-03, PPT, 73KB, 下载2次)
这是本人耗费2周时间精心制作的PPT演示动画文档，专门讲述嵌入式以太网一卡通设备和传统RS485设备的对比。绝对原创！
This is the time I spent two weeks carefully crafted animation PPT document devoted to embedded Ethernet card equipment and traditional RS485 devices contrast. Absolute originality! (2013-08-03, PPT, 197KB, 下载10次)