分布参数

In fact, at a minimum only 8 parameters are needed to define the entire velocity distribution.

事实上，至少8只需要确定参数全部速度分布。

ABSTRACT As two important parameters, particle size distribution and velocity have become more and more noticeable in many fields.

粒子尺寸分布和速度作为两个重要参数，在许多领域越来越受到人们的重视。

The characteristics of the flow and the influence of power-law index and velocity ratio parameter on the flow were analyzed.

结果表明，速度边界层的分布不仅和平板运动参数有关，而且和幂律指数有关。

Volume integral equation method has been used to calculate forward and inverse problems of 3D electromagnetic fields in homogeneous half-space.

0引言在电磁法勘探中，利用体积分方程计算三维地电磁场，由于数据点只分布在电阻率异常区域[1~3]而不是整个三维空间，因而与有限元法和有限差分法相比其计算量相对较小，是进行地电参数正反演计算的有效方法。

From the experimental results, a conclusion can be reached that the practical flow in the volute is rather different from the theoretical result.

实验结果证明，蜗壳的实际流动情况同理论设计有着相当大的不同，蜗壳的不对称结构导致了其流动周向参数分布不均匀，并且影响了叶轮扩压器内的流动，导致整机工作性能下降。

The measurement of this system can lead to high precision,very little distortion when measuring wave pattern and ver...

该系统测量波形参数精度高、失真小、温度漂移小、分布电容和引线电容对测量结果无影响。

Based on BP neural network model technology, a new approach was developed and applied to appraise the input parameters′significant degree through the weightiness and its distribution between the input and output layer.

摘要在BP神经网络建模技术的基础上，提出利用神经网络输入层与输出层之间的网络权值及其分布来求各输入参数重要程度的方法。

Based on BP neural network model technology,a new approach was developed and applied to appraise the input parameters′significant degree through the weightiness and its distribution between the input and output layer.

在BP神经网络建模技术的基础上，提出利用神经网络输入层与输出层之间的网络权值及其分布来求各输入参数重要程度的方法。

Using R/S analysis, we estimated Hurst Exponent to characterize the long term persistence. Also by analyzing the scaling behavior of zero probability, we estimated self-similar coefficient of Levy stable distribution.

我们使用R/S分析估计了长程相关的特征量赫斯特指数，并通过0概率的标度行为估计了列维稳定分布的自相似参数。

Because there are many kinds of matrixes in titanium matrix composite, we select some typical ones as investigated subject in many titanium alloys or titanium aluminide intermetallics, and then simulate the distribution of thermal residual stresses under the appropriate composites fabrication and heat treatment parameter. We not only hope to seek better titanium matrix, but also discover the relationship between the material properties and the thermal residual stresses, and then provide some theoretical guidance for the selection of the matrix in titanium matrix composites.

鉴于当前钛基复合材料中钛基体的多样性，我们将在各种类型的钛合金和钛铝金属间化合物中，挑选出较为典型的作为研究对象，利用本文得到的较为理想的复合材料加工和热处理工艺参数，逐一模拟它们的残余热应力，找到残余热应力分布较为理想的钛基体，并且，希望能够寻找到材料性能与热残余应力的相互关系，为钛基复合材料基体的选择提供一定的理论指导。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。