说明：  这是一本关于Intel 80C51 以及广大的51 系列单片机的书这本书介绍给读者一些 新的技术使你的8051 工程和开发过程变得简单。
(This is one of Intel 80C51, and the large number of the 51 book series microcontroller this book about readers some new technology to make your 8051 projects and the development process becomes simple.)