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有一支温度计,它的刻度是均匀的.可是,用此温度计实测温度时,读数并不准确.这是什么原因呢?一般来说,一是由于温度计零刻度线的位
There is a thermometer, its scale is uniform. However, when using this thermometer to measure the temperature, the reading is not accurate. What is the reason? In general, one is due to the position of the thermometer zero scale line.