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我的需求是,耗电量每10分钟统计一次,以现在的最新值减去10分钟前的值,每10分钟统计一次,不间断循环,对于在这里的起始和结束具体的用法? 谢谢
我觉得结束时间跟开始时间应该是同一个点,用前一周期;下图表示 比如时间是某一时间的00秒的值减去十分钟前00秒的值