mark (a gauge or instrument) with a standard scale of readings
标定(标尺,仪器)。
correlate the readings of (an instrument) with those of a standard in order to check the instrument's accuracy
校准(仪器的刻度)。
adjust (experimental results) to take external factors into account or to allow comparison with other data
调整(实验结果),调节。
"mid 19th cent.: from