分析规程的精密度通常以一系列测量数值的标准差或相对标准差(变异系数)来表示。
The precision of an analytical procedure is usually expressed as the standard deviation or relative standard deviation (coefficient of variation) of a series of measurements.
测定各期病灶平均表观扩散系数值、相对表观扩散系数值及中心-边缘表观扩散系数值。
The average ADC, relative ADC (rADC) and the ADC from center to periphery of the lesion were calculated.
相对孔隙系数值可用以表征聚合物溶液流经孔隙介质时聚合物分子尺寸与滞留作用的关系。
Relative porosity factor value can be used to characterize the relation between the molecular size of the polymer and the its retention in the flow of polymer solution through porous media.
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