说明：  嵌入式系统Web服务器 TCP-IP Lean详细介绍嵌入式系统tcp-ip 的原理和工作过程，并在pic 上实现了一个简易的web服务器
(Embedded System Web Server TCP-IP Lean detailed introduction of embedded systems tcp-ip principle and working process, and pic has been realized in a simple web server)