分析了多普勒超声在血流量测定中的若干重要问题。
Several important problems in volume flow measurements with Doppler ultrasound were analyzed in this paper.
结论MR是一种有效的横窦血液流量测定方法，可以从“量”的角度反映引流优势。
Conclusion MR is an effective technique for measuring the blood flow in transverse sinuses, which can reflect the venous drainage dominance from the point of "quantity" view.
介绍了大型水泵几种流量测定方法的基本原理，从准确性、实用性和经济性三个方面进行比较。
The basic principles of several discharge measuring methods for large sized pumps are introduced, and the results are compared from three aspects accuracy, practicability and economy.
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