查询词典 never for a moment

3D model may be manipulated so that its shape could be observed from any view, and is displayed on the screen by static state and dynamic. The property of volume and the moment of inertia matrix are obtained from the octree of object by the algorithms presented in this dissertation. To fit the application of recognition, we studies the method by which 3D model octree is used for recognition.

作者研究了对重建飞机三维形体的旋转和操作，提出了飞机体积及惯性矩的计算算法，并利用计算机图形学技术，对重建的飞机三维形体进行了静态和动态显示，论文对重建的飞机三维模型用于识别的方法进行了探索性的研究。

Inspired by image salient area detection model, A model for extracting local invariant feature is proposed based on salient measurement of local second moment matrix.

借鉴图像显著性区域的检测思想，提出一种基于局部二阶矩显著性估算的局部不变特征提取算法。

Oil film forces and its Jacobian matrix at any moment of sliding bearing with finite length is determined using finite element method based on the variational inequalities principle.

根据不等式变分原理，采用有限元离散化方法，求解有限长径向滑动轴承任一时刻的油膜力及相应的Jacobi矩阵。

Three moment method,the transition matrix method and finite element method in shipping shaft system alignment are used ,the application of finite element method in shipping shaft system alignment is proved to be more reasonable through an example .

并以某实船为例，利用三弯距法、迁移矩阵法和有限元法对船舶轴系进行校中计算，说明有限元法更先进合理。

The results from different calculation solutions alsoshow that the precision of the instantaneous angular speed of the marine diesel enginebased on the flexible body model is mainly correlated to the rigidity matrix and theinertia of moment matrix of the equivalent model.

考虑不同阻尼大小的仿真计算表明：基于柔性体模型的柴油机瞬时转速计算精度主要与轴系当量系统的刚度和惯量有关。

Based on the Green function technique,the authors have analyzed the effect of the decoupling approximation on treating the interelectronic correlations and then calculated the local moment,hybridization matrix element,and ground state energy of the one dimensional,symmetric,periodic Anderson model.

基于Green函数技术，作者首先分析了切断近似对处理一维对称周期Anderson模型中电子间关联的影响，然后计算了该模型的局域磁矩、杂化能量元和基态能量。

From the point of vertical interconnect via, the matrix pencil moment method, FDTD, edge-element FEM, microwave network model method and CAD model method of vertical via interconnect were introduced. The analysis of these methods shows their advantages and shortcomings.

从垂直互连通孔入手，介绍了垂直通孔互连的矩阵束矩量法、时域有限差分法、边基有限元法以及微波网络模型法和CAD模型法，分析了这些方法已经取得的结果，并指出了这些方法的优缺点。

Characteristic number of inertia moment of gray level co-occurrence matrix can reflect the feature of complexity of image gray space. Optimum space coefficient of LOG operator can be ac-quired effectively and most noise of images can be removed.

通过纹理分析，利用灰度共生矩阵惯性矩特征值能够反映图像灰度空间复杂度的特性，成功获取了LOG边缘检测算子最佳空间系数，抑制了图像中的大部分噪声。

The paper presents the formulation of the inverse kinematics of the 3-RSS/RU parallel mechanism and analyzes the direct solution. It deduces velocity Jacobian matrix. The moment transfer Jacobian matrix is obtained base on the principle of virtual work and simulated the input and output.

本论文首先推导了3-RSS/RU并联机器人的运动学反解方程，并对位置正解进行了分析，推导了速度雅可比矩阵，在此矩阵的基础上，利用虚功原理得到了力矩传递雅可比矩阵，对力矩的输入输出做出了仿真。

The unbalance forces due to the lumped eccentric mass are treated as general forces. Meanwhile, the potential energy expression about gravity based on finite element method is presented for convenience. Based on the variational inequalities principle, the finite element is used to determine the film forces produced by fluid film bearing and damper at any moment and its Jacobian matrix with respect to location and velocity of journal and bearing house.

在第二部分中，主要应用有限元方法及Hamilton原理对所研究系统进行了建模分析，着重对质量偏心问题进行了分析处理，并对此提出了两种处理方法：一、转化为对系统动能的影响；二、将其产生的离心惯性力视为非保守的广义力，并对其表达式进行了推导，同时为分析问题方便，基于有限元离散化方法，推导了重力的势能表达式。

Article 144 The Government of the Hong Kong Special Administrative Region shall maintain the policy previously practised in Hong Kong in respect of subventions for non-governmental organizations in fields such as education, medicine and health, culture, art, recreation, sports, social welfare and social

第一百四十四条香港特别行政区政府保持原在香港实行的对教育、医疗卫生、文化、艺术、康乐、体育、社会福利、社会工作等方面的民间团体机构的资助政策。原在香港各资助机构任职的人员均可根据原有制度继续受聘。

Small wonder, then, that the Chinese spend more in the shop than any other group of foreign visitors do .

这样的小惊喜，使中国顾客比任何国家的人消费得更多。