The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
天然气孔板流量计的现场检定，采用以文丘里音速喷嘴作为标准表的传递型校准法。
The developed system USES weighing method for flow calibration, using electronic scale with high accuracy as the standard gauges to determine the actual flow of the different test points.
本系统对流量标定采用称量法，用高精度的电子秤作为标准量器来确定不同测试点的实际流量。
The method is proved as high speed, high accuracy and robust after experiment, so it meets the need of multi-camera fast calibration in large-scale vision system.
经验证该方法标定速度快、精度较高、算法健壮，适用于大型视觉系统多摄像机的快速标定。
The method is proved as high speed, high accuracy and robust after experiment, so it meets the need of multi-camera fast calibration in large-scale vision system.
经验证该方法标定速度快、精度较高、算法健壮，适用于大型视觉系统多摄像机的快速标定。
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