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通过对实时钟DS1302的操作,可以记录流量仪表的掉电时间,估算此段时间的流量,降低计量误差,减少由此引起贸易双方(供方和用户方)的矛盾。
Through the operation of the real-time clock DS1302, it can record the power-down time of the flow meter, estimate the flow of this period of time, reduce the measurement error and reduce the contradiction between the two parties (supplier and user).