The subrogation of primaries will not bring serious velocityfluctuation if the design is appropriate.
设计合理时初级的更替不会造成速度严重波动；
2
The dynamical basis of vortex motion solution is the set of equations of turbulent velocityfluctuation.
求涡旋运动解的动力学的基础是湍流速度涨落方程。
3
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocityfluctuation and Reynolds shear stress have been measured for water flow in a square duct.