...acteristic-value problem 特征值问题 characteristic curve value 特性曲线值 Receiver Operating Characteristic Curve Value 以颈围及腰围两项指标的受试者作业特征曲线值 ..
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Receiver Operating Characteristic Curve Value 以颈围及腰围两项指标的受试者作业特征曲线值
To investigate the value of color Doppler ultrasound in differentiation of benign and malignant solid superficial soft-tissue tumors using receiver operation characteristic curve(ROC curve).
应用受试者工作特征曲线（ROC曲线）评价彩色超声判断实性浅表软组织肿物良恶性的价值。
The position of knee point of Phase-frequency characteristic mean value curve is invariant, but the kurtosis of the curve near the knee point decreases.
刚度与质量参数随机时相频特性均值曲线的拐点位置不变，只是拐点附近曲线陡峭度减小。
Objective to evaluate the value of diagnostic negative MDCT cholangiopancreatography in patients with suspected obstructive biliary diseases by receiver operating characteristic (ROC) curve.
目的应用roc曲线法探讨MDCT阴性法胰胆管成像在临床疑诊胆道梗阻中的诊断价值。
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