阻力指数 meaning in Chinese

drag index

The diagnostic value of renal blood flow resistive index for experimental unilateral partial ureter obstruction
肾脏血流阻力指数对实验性单侧输尿管部分梗阻的诊断价值
Results the results showed the blood flow of the infertility patients were thinner than that of normal women , and ri was higher
结果不孕症患者子宫卵巢动脉血流纤细、稀少，且动脉阻力指数明显高于正常。