方法根据24h收缩压BPV的总变异系数(coefficient variation,CV)将120例急性心肌梗死患者分为两组:高CV组(CV>12.16%)和低CV组(CV≤12.16%),...
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本文研究了在电容式条干均匀度仪上把现在的反映内不匀的变异系数，改用反映内外不匀的总变异系数来表征纱条均匀度。
The work of the paper studied to replace the current practice of characterizing strand evenness by an internal uneven variance coefficient with a total internal and external one.
总氮的变异系数（17%）最小，比较稳定；
The variation coefficient of total nitrogen(17%) was the smallest and more stable.
检测试剂是即配即用型试剂，总变异系数不超过检验范围的8％。
The liquid, ready-to-use reagent features total imprecision of less than 8% of the coefficient of variation (CV) across the assay range.
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