• 1. time velocity integral: 时间
• 2. diastolic time velocity integral: 舒张期时间速度积分
• 3. Velocity-time integral: 速度时间积分 | 期速度时间积分 | 收缩期速度时间积分

更多释义

• 1.Quantitative study was made on time velocity integral(TVI) of the implanted myocardium and left ventricular long axis in 7 canine models, and 7 patients with replaced metal mitral valve.
  分别对开胸犬及7例二尖瓣金属瓣置换术后患者利用多普勒组织成像中的速度时间积分曲线对放置钛夹处心肌及二尖瓣环处的长轴运动位移进行定量研究；
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• 2.Space debris delta-velocity probability density function was deduced by NASA's standard breakup model, and time integral algorithm of collision probability between spacecraft and any debris was built.
  推导了基于NASA标准解体模型的碎片分离速度概率密度函数，建立了计算航天器与单颗碎片碰撞概率的时间积分算法。
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• 3.After 6 cycles chemotherapy, TCM symptoms integral, chemotherapy needed time, blood viscosity, peripheral sensory nerve toxicity, peripheral nerve conduction velocity were compared between two groups.
  均完成6疗程化疗，化疗后比较两组病人中医症状积分、化疗需时、血粘度、外周感觉神经毒性、外周神经传导速度情况。
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