瞬时测量 meaning in English

instantaneous measurement
transient measurement

As a tool of whole field , unintrusive and instantaneous measurement , piv has been used widely in parameter measurement of liquid and multiphase and has good measurement precision
作为一种全流场无接触瞬时测量的工具， piv测量技术已经广泛地应用于流体及多相流参数的测量，而且具有较高的测量精度。
As a tool for measuring the whole instantaneous flow field without contacting the flow , piv and related image measurement techniques have been extensively applied to automated measurements of multiphase flows , turbulence and thermal flows with reliable accuracy
作为一种全流场无接触瞬时测量的工具， piv和相关的图像测量技术已经广泛地应用于多相流、紊流和热流的自动测量，而且具有可靠的精度。