phase angle velocity相角速度
phase-velocity cine屏气流速法
phase ascending velocityO相上升速度
solid phase reaction velocity固相反应速度
phase change velocity相变速率
Phase e velocity相速度;相位速度
phase contrast velocity相位对比速度
liquid-phase circulating velocity液相循环速度
Through the theoretical analysis and experimental study,the results include(1) The phase velocity and group velocity dispersion curves of longitudinal mode,torsional mode and flexural mode are plotted.
通过理论分析和实验研究,得出了以下结论:(1)绘制出了纵向、扭转、弯曲三种模态的相速度和群速度频散曲线,并对其频散特性进行了分析。
参考来源 - 超声导波在管中的频散特性及实验研究For every mode of Lamb waves, the magnitude of phase velocity between the two models has the turning point.
对于Lamb波的每个模式，煤粒负载模型相速度与单层模型相速度的大小关系存在一个转折点。
参考来源 - 用于球磨机料位测量的超声波传播理论分析及系统设计与集成N（名词） the speed at which the phase of a wave is propagated, the product of the frequency times the wavelength. This is the quantity that is determined by methods using interference. In a dispersive medium it differs from the group speed 相速度 (Also called wave speed, wave velocity) [physics]