The basic conceptions and real courses for volumetric research by Doppler ultrasound has been suggested It seems to be both temptable and complicated for Doppler flow volume study it has not matured still and should make further efforts on deep investigations .

提出了用多普勒超声法研究 血流量的基本概念及正确途径。多普勒超声 血流量的研究既 诱人 亦 存在 许多 复杂性，目前尚不成熟，需进一步深入研究。