物理实验常用仪器的读数规则可归纳、简化为两种：估读和直读，借助这些规则可规范和简化不确定度的评定。
There are two methods to read data from common instrument in physics experiment: the approximate read and direct read. We disscussed the rules to read data and to evaluate the error range.
物理实验常用仪器的读数规则可归纳、简化为两种：估读和直读，借助这些规则可规范和简化不确定度的评定。
There are two methods to read data from common instrument in physics experiment: the approximate read and direct read. We disscussed the rules to read data and to evaluate the error range.
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