mean motion

We begin with the review of the mixture length theories based upon Reynolds ' equations of mean motion .

我们首先评述了根据Reynolds的平均运动方程所建立的混合长度理论。

We also emphasize the importance of Reynolds ' recognition that the turbulent motion of a fluid can be separated into the mean motion and fluctuation .

我们并着重说明Reynolds认识到湍流运动可分作平均运动与涨落运动的重要性。

The a and β effect , which contain the interaction of the fluctuating magnetic field and mean motion , demand a further study .

需计入脉动磁场和平均流场的相互作用，进一步研究旋转对流元的扩散效应。

In Kuiper belt of the outer solar system , many objects have the 3:2 mean motion resonance with Neptune .

在太阳系最外层的Kuiper带中，有许多天体处于海王星3：2平运动共振中。

Many period ratios of the adjacent planets in multi-planetary systems are close to the simple integer ratio , which indicates that the planets are likely in the Mean Motion Resonances .

很多多行星系统中相邻行星的周期比都接近简单整数比，这预示着它们很可能处在平运动共振。

The dynamical equations which govern the vortex motion of turbulence are Reynolds ' equations of mean motion and the equations of velocity fluctuation derived from the Navier-Stokes equations by the averaging process .

这个涡旋运动的动力学根据是用平均的方法后Navier-Stokes方程所导出的Reyonlds的平均运动方程典带度涨落方程。

Thirdly , we discuss the treatment of the general turbulent shear flow by means of Reynolds ' equations of mean motion and the dynamical equations of velocity correlations which are derived from the equations of turbulent velocity fluctuation .

第三，讨论了运用Reynolds的平均运动方程和根据速度涨落方程求得的速度关联函数的动力学方程来处理具有Reynolds剪应力的普通湍流运动问题。

In the orbit motion of Pluto , there exist three resonances to keep its stability . They are the 3 ∶ 2 mean motion resonance , Kozai resonance and the 1 ∶ 1 super resonance respectively .

在冥王星的运动中存在着三个共振（3∶2平运动共振、Kozai共振以及1∶1超级共振）。

Image Denoising for Mean Curvature Motion Model Based on Gray-Value Morphological Operator Process

基于灰度值数学形态学算子的中值曲率驱动方程去噪模型

In this algorithm , a mode filter is embedded into the function which is used to control the speed of the mean curvature motion ( to control the smoothing degree of image ) to eliminate the influence on image gradient computing by speckle noise .

在该算法用于控制均值曲率运动演变速度（即用来控制图像平滑程度）的函数中内嵌一个最频值滤波器来消除计算图像梯度时散斑噪声的影响。

Using the religious and effective partial differential method as the mathematics tool , all of the math modeling , numerical schemes and application on nonlinear diffusion denoising , mean curvature motion , image segmentation , image inpainting and image zooming were researched in this paper .

以理论严谨、实用有效的偏微分方程方法作为数学工具，针对非线性扩散滤波、平均曲率运动水平集方法、图像分割、图像修复和图像放大的数学建模、数值应用实现技术等内容展开深入研究。

When we talk of electric current , we mean electrons in motion .

当我们谈到电流时，我们指的是运动的电子。

The oscillation of certain zonal mean characteristics of motion on a spheric earth

地球斜压大气纬圈平均运动特征的振动

Study on conditional mean spectrum based ground motion selection method .

开展了基于条件平均谱的地震动选择方法研究。

The solution of the mean elements in the motion of artificial earth satellite

人造卫星运动中平均根数的解法

The oscillation of certain zonal mean characteristics of atmospheric motion

纬圈平均大气运动特征的振动

The mean range of knee motion was 94 °, with fine knee function in 32 cases ( 91.4 % ) according to Merchant score .

平均关节活动度为屈曲94°，膝关节功能按Merchant评分，优良32例（91.4%）。

The relations of declination-corrections to mean latitude and polar motion the non-polar long period terms in latitude and their influence on the study of secular polar motion

纬度非极变化的长周期项和它对长期极移研究的影响

Because this algorithm uses the histogram information in the Snake energy function , it overcomes the limitation of the previous Snake video tracking algorithms based on the local characters , such as mean , deviation or motion vector .

由于它在Snake能量函数中引入了全局统计特性&直方图信息，从而克服了过去采用均值、方差或运动矢量等局部特征的Snake跟踪算法中的局限性。

For nonlocal Allen-Cahn equation could generate an area-preserving motion by mean curvature flow , it can perfectly preserve shapes of the topological texture while in the process of denoising . First , the Allen-Cahn equation was put forward to generate area-preserving mean curvature motion .

论文提出一种新的拓扑纹理图像去噪算法，算法利用非局部Allen-Cahn方程在平均曲率流中的面积保留特性，在去噪过程中较好地保留了拓扑纹线的形状。