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瑞士布朗·博维里研究中心发明了一种激光系统,它能测量从1千米/秒到0.01毫米/秒的流速。这种技术可用于任何透明液体,只要其中包含有衍射颗粒。此系统使
The Swiss Brigitte Boulevard Research Center invented a laser system that measures flow rates from 1 km / s to 0.01 mm / s. This technique can be used with any transparent liquid as long as it contains diffractive particles. This system makes