The variance could be to actual clock time if the RTC was initialized to that, or simply an error in elapsed time since the RTC was activated.
如果RTC初始化成这个时间值或从RTC激活后运行的一段时间内出现了一个错误，它们带来的变化都将影响真实的时钟时间。
The variance could be to actual clock time if the RTC was initialized to that, or simply an error in elapsed time since the RTC was activated.
如果RTC初始化成这个时间值或从RTC激活后运行的一段时间内出现了一个错误，它们带来的变化都将影响真实的时钟时间。
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