查询词典 models

The nonlinear regression function of mathematic tool software SPSS was used to build models about DBH, high of tree, volume of single timber and stand volume slash pine plantation, and these models are have a certain extant applicability.

利用SPSS的曲线估计和非线性回归功能，获得了具有一定适应性的湿地松人工林胸径生长模型、树高生长模型、单株材积模型、林分蓄积量模型。

Deducing the associated Euler-Lagrange equations of the two models, it is analyzed the diffusion performance of the p-harmonic equations and proved the two models have unique solutions in the space of Sobolev.

利用变分原理，推导出两种变分模型所对应的Euler-Lagrange方程；利用图像的局部正交坐标系，分析其扩散能力。

In this dissertation, solar chromosphere-corona models are extended to spherical geometry for the first time. By using time-dependent, compressible MHD simulation, we numerically study, either 2-dimensionally or 3-dimensionally, the local and global propagation processes of the disturbances in solar atmospheric models.

本文首次将太阳色球层-日冕模式推广到球坐标情形，利用时变可压缩磁流体动力学模拟，对太阳大气模式中扰动传播的局地及全球问题进行了二维和三维数值研究。

Therefore in the teaching students should be made to actuallyfeel that spherical geometry knowledge can be used to solve or explainsome real problems in both life and production, to reach the relatedconclusions about spherical geometry by comparing it with Euclideangeometry, and to have anidea of some non-Euclidean geometry models aswell as differences between flat geomtry models and spherical geometry ones.

是为对数学有兴趣和希望进一步提高数学素养的学生而设置，重点是培养学生空间想像和几何直观能力，教学中应使学生切实地感受到利用球面上的几何知识可以解决生活或生产中的一些实际问题；让学生通过欧氏几何和球面几何的类比，得到球面上的几何的相关结论；使学生了解一些非欧几何模型，从而思考平面几何模型与球面上的几何等非欧几何模型的差异。

The new model identification method can accurately determine the structures of both polynomial models and spline function models.

非线性气动模型辨识的实践表明，新方法可以有效地识别出线性、非线性系统及神经网络的模型结构。

Results show as follows:(1) The total linear relations of all models are obvious by satistic test, which shows that the regression models can be used for monitoring and controlling spot weld quality.

结果表明：（1）各种回归模型总体线性关系经统计检验均为高显著，可以用于点焊接头质量监测。

Presently static equilibrium models are the main numerical weather forecasting models .

静力平衡模式是目前数值天气预报的主要模式。

In this dissertation , the methods of prediction and parameters\' estimation based on stationary multivariate autoregressive models AR(p are studied systematically. Some properties of these methods are formulized.In the first part, it introduce some basal conceptions about multidimensional stationary time series, contained the estimation and property of mean vector and auto-covariance function. Then the stable condition of multidimensional AR models are discussed.

本文主要研究了多维平稳序列自回归模型AR的参数估计及其相关的统计性质，具体内容如下：第一部分，介绍了多维平稳时间序列及其均值向量和协方差阵函数的概念，并引入了多维AR模型及其数字特征，在此基础上给出了模型的平稳性条件。

3D control of micropositioning, the environment for human-computer interaction based on the micro stereo image displaying, and microinjection are three focuses of this dissertation.The imaging models of CMO micro stereoscope and G micro stereoscope used in microvision subsystem are deduced. According to the imaging models, 3D visual servoing model based on image for micropositioning is set up. The technology of tracking and matching on the feature of image, which are relevant in visual servoing, is studied. Two arithmetic for avoiding obstacles, rolling/surrounding and curved tracking based on the depth first search, are further discussed.

在此基础上，对三维微定位控制技术、基于显微立体图像显示的人机交互操纵环境和微量注射等三个内容进行了重点研究：为了解决3D微定位问题，推导了显微视觉分系统采用的CMO型和G型体视显微镜光学成像模型，在此基础上建立了基于图像的3D显微视觉伺服定位控制模型，对视觉伺服中涉及的实时跟踪与立体匹配技术进行了研究，并进一步探讨了卷包裹法和曲线跟踪两种避障算法。

It is useful for us to understand and apply models from the view of statistical dependence and stochastic comparison to study multivariate models.

从统计相依与随机比较的角度来研究多维模型，有利于人们更好把握与应用模型。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。