Methods Hemodynamic effect and the clinical effect were observed with hemodynamic monitoring system in 30 patients with heart failure after intravenous injection of Urapidil hydrochloride.

方法采用无创血流动力学监测系统，观察了30例充血性心力衰竭患者静脉滴注利喜定的血流动力学效应。

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A monitoring system based on the relationship between cardiac contractility and heart sound was developed.

研究了基于心力—心音关系的心脏储备无创监测系统。

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The pump is the "heart" of the hydraulic system, and it has the severest working condition. So the condition monitoring and fault diagnosis of the pump is crucial for the hydraulic system.

液压泵作为液压系统的“心脏”，它的工作条件最为恶劣，因此对液压泵的状态监测和故障诊断成为了保证液压系统正常运行的关键。

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The neurophysiologist, who is based at Manchester Royal Infirmary, has developed an electrocardiogram system used in heart monitoring to spot early signs of the disease.

BBC: 'We may have a test for vCJD'