Water-flow velocity of continuous measurement was determined by the ratio of count rate value of different source spacing detectors.

连续测量的水流速度是通过不同源距探测器计数率的比值来确定。

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Source spacing is one of the key parameters of neutron logging tool, by which permeability precision, sensitivity, resolution of the logging tool are determined to a large extent.

源距是中子测井仪器的主要参数，它在很大程度上决定测井仪的孔隙度精度、灵敏度、分辨率以及环境因素影响状况。

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Source spacing is one of the key parameters of neutron logging tool, by which permeability precision, sensitivity, resolution of the logging tool are determined to a large extent.

源距是中子测井仪器的主要参数，它在很大程度上决定测井仪的孔隙度精度、灵敏度、分辨率以及环境因素影响状况。

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