calibration.标定calibrationn.校准；刻度calibration software校验软件calibration by water[机] 用水校准calibration standard校准用标准calibration strategy率定方案Calibration interval检定周期Calibration approach校准方法calibration material校准材料calibration of tanks油罐校准calibration of power功率校准calibration accuracy校准精度,校准精确度,校准准确度