手表尺寸虽小内部结构确非常复杂且精密，一点点小灰尘或是衣物纤维都会影响手表的走时。
Watch size is small and the internal structure is very complex and sophisticated, a little bit of dust or clothing fibers will affect the time of the watch.
从分析实际欧姆表测电阻全过程的误差出发，导出测量不确定度的算式，最后得出表尺最佳段范围。
Analyzing the error of ohmmeter in measuring resistance, the measurement formula of uncertainty is derived, and the best measuring range of ohmmeter is obtained.
从分析实际欧姆表测电阻全过程的误差出发，导出测量不确定度的算式，最后得出表尺最佳段范围。
Analyzing the error of ohmmeter in measuring resistance, the measurement formula of uncertainty is derived, and the best measuring range of ohmmeter is obtained.
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