particle image velocity

基本解释

Yellow vectors show air velocity, revealed by particle image velocimetry.
黃色的矢量位點是通過粒子圖像測速技術顯現的氣流速度。
The wake of a hovering rufous hummingbird. Yellow vectors show air velocity, revealed by particle image velocimetry.
棕煌蜂鳥懸停時引發的尾流。黃色的矢量位點是通過粒子圖像測速技術顯現的氣流速度。
The velocity field measurement by use of the particle image velocimetry and particle tracking velocimetry ( PIV/PTV) system in a tidal estuary model test has advantages of high speed and accuracy.
在潮汐河口河工模型試騐中採用粒子測速（PIV/PTV）系統測量流場，具有快速、精度高的優點。