说明：  用 89C51单片机系统进行温度实时采集与控制是本设计的主要 内容。本设计介绍的 单片机 温度 自动控制系统的主要 内容包括：系统方案、理论分析、硬件设计、系统调试及 主要技术性能参数。
(89C51 single-chip microcomputer system with real-time acquisition and control of temperature is the main contents of the design. The introduction of the single-chip design of automatic temperature control systems include: system program, theoretical analysis, hardware design, system debugging and main technical performance parameters.)