说明：  单片机应用系统中C51与汇编语言的区别,详细讲解了单片机再编程时C语言与汇编语言的区别，便于读者理解。
(Microprocessor Application System C51 and the difference between assembly language, gave a detailed re-programming the microcontroller C the difference between language and assembly language, easy to readers to understand.)