The effects of fluidization number, injection velocity, particle mean diameter and static bed height on jet fluctuation are discussed.
研究了流化数、射流初始速度、颗粒平均粒径及静态床层高度对射流脉动特性的影响。
Either the maximum and minimum stresses of one of these and the mean stress-are required to specify the fluctuation.
最大应力和最小应力或二者之一和平均应力，以确定其起伏程度。
The applicability of the similarity theory in the surface layer is studied by using the gradient observations of fluctuation and mean fields.
利用实测的脉动场与平均场同步梯度观测资料研究近地层相似理论的适用性。
New economy does not mean there is no economic fluctuation, so we should not doubt new economy because of its fluctuation. New economy is closed linked to knowledge contribution in nature.
新经济并不意味着没有经济波动，但不能因为经济波动而怀疑新经济。
New economy does not mean there is no economic fluctuation, so we should not doubt...
新经济并不意味着没有经济波动，但不能因为经济波动而怀疑新经济。
However, when the load is same, the fluctuation ratio is independent to the mean engine speed.
负荷相同时，转速波动率的大小与转速没有单调变化关系。
By comparing the statistical results of the mean flow and the turbulence fluctuation of the jet, we verify the accuracy of the numerical method.
通过对喷流平均流及湍流脉动统计结果的对比，确定数值方法的精确性。
We investigate the fluctuation of price process in a stock market with Ising model and the mean field theory, and construct the corresponding random logarithmic price returns process.
再利用计算机模拟股票价格收益率的分布特征，模型很好的刻画了现实证券市场中股票收益率分布的宽尾现象、长记忆性，以及累积分布中尾部收益的指数递减现象。
Using these formulas and a 1-d LDA, mean square value of 2-d turbulent velocity fluctuation and Reynolds shear stress have been measured for water flow in a square duct.
用这些公式和一台一维激光多普勒测速计，测量了方形管道中水流的二维湍流速度脉动的均方值和雷诺切应力。
The axially moving speed is a simple harmonic fluctuation about a constant mean speed, the differential equation of motion of axially accelerating viscoelastic plate is established.
设粘弹性板的轴向运动速度为常平均速度与简谐涨落的叠加，建立轴向加速运动粘弹性矩形薄板的运动微分方程。
The axially moving speed is a simple harmonic fluctuation about a constant mean speed, the differential equation of motion of axially accelerating viscoelastic plate is established.
设粘弹性板的轴向运动速度为常平均速度与简谐涨落的叠加，建立轴向加速运动粘弹性矩形薄板的运动微分方程。
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