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简述了PCR仪器的基本原理,归纳阐述了影响PCR仪器温度控制精度的四种因素:加热器结构形式、温度传感与测量电路的形式、加热器的控制方式和温度控制算法。对每种因素都进行了比较研究。
The basic principle of PCR instrument is briefly described. Four factors that influence the temperature control accuracy of PCR instrument are summarized: the structure of heater, the form of temperature sensing and measuring circuit, the control method of heater and the temperature control algorithm. Each factor has been compared.