查询词典 virtual memory

Based on the fundamental solution of plane piezoelectric problems and the basic thought of the virtual boundary element method for elasticity, this paper presents a virtual boundary element-equivalent collocation method for plane piezoelectric materials.

利用压电材料平面问题的基本解和弹性力学虚边界元方法的基本思想，提出了压电材料平面问题的虚边界元-等额配点解法。

The initial model of the clasper binding machine was established based on conception design,and its optimization was made.The dynamics character of the clasper binding machine was analyzed base on the ADAMS,the virtual design was performed based on the SOLIDWORKS,and the stress and deformation under load was analyzed based on ANSYS.The result of the simulated analysis of virtual prototyping was verified by the experiment.

它是计算仿真技术与产品设计有机的结合，通过CAD/CAM/CAE等技术把产品的信息集成到一个可视的环境中，以实现在产品制造前就可以对整个产品进行完整的分析与方案的优化，观察并试验各组成部件的相互运动过程、受力分析、装配关系、性能特性等，使用系统仿真软件在各种虚拟环境中真实地模拟系统的运动，以便修改设计缺陷，不断改进设计方案，直至获得最优设计方案，再制造物理样机。

Based on the analysis of the features of virtual design, such as the combinations of quantitative design and qualitative design, parallel and serial design, green manufacturing-oriented design, the closed loop architecture of virtual design system, including the iterative steps of converse engineering and digital modeling, physical prototyping, physical testing, is proposed.

本文在分析机械产品虚拟设计定性与定量相结合、串行与并行相结合、面向绿色制造的设计等主要特征的基础上，构造了一个包含反求工程与数字化建模、物理原型、物理测试等环节在内的机械产品虚拟设计可迭代框架，并以鼠标外模的虚拟设计过程为例对这一框架进行了详细说明。

This thesis will expounds and analyzes the definition, characteristics of network virtual property and the property attributes, and use the relevant legislative and judicial practices of Taiwan, Hong Kong and foreign countries for reference, exploring that criminal law protection system over network virtual property should be established as soon as possible, so as to ensure the healthy, continuous development of the game industry in our country and social stability.

本文将对网络虚拟财产的定义、特征及财产属性进行论证分析，并借鉴台湾、香港及国外的相关立法及司法实践，探究我国应尽快确立对网络虚拟财产的刑法保护体系，以保障我国游戏产业的健康持续发展与社会稳定。

By decomposing the problem system into an extended saturated soil system and a virtual pile system, through the strain compatibility condition between the extended saturated soil system and the virtual system at an arbitrary depth z along the pile, and combined the Laplace transform and its convolution, a Fredholm intergral equation of the second kind of the single pile in saturated layered transversely isotropic soils is established. The axial force and diaplacement of the pile are obtained by solving the Fredholm intergral equation.

将求解体系看作是饱和土体和虚拟桩的叠加，利用沿桩身任意一点z处饱和地基与虚拟桩的应变协调，并结合Laplace变换及其卷积性质，建立了饱和成层横观各向同性地基中竖向受荷单桩问题的第二类Fredhlom积分方程，对该积分方程进行求解可得桩的真实轴力、位移。

Analyse the tooth geometry of Klingelnberg Cyclo-Palloid spiral bevel gear.,according to the relative position and kinematic relation of the cutter heads,virtual crown gear and the processed wheel blank,established the system of coordinates of the gear cutting, dedcuced the tooth face equation of the virtual crown gear, according to relations of the gear cutting and space theory of engagement, deduced the tooth face equation of klingelnberg Cyclo-Palloid spiral bevel gear, and drawing the three-dimensional graphs of the virutal crown gear and Klingelnberg Cyclo-Palloid spiral bevel gear according to the design and setting parameters.

根据铣齿加工中刀盘、摇台和轮坯的相对位置和相对运动关系建立了切齿啮合坐标系，由矢量的旋转推导了产形轮齿面方程；根据空间啮合原理和切齿啮合关系推导了被加工齿轮的齿面方程；由设计参数和铣齿调整参数计算得到齿面离散数据，绘制了产形轮和摆线齿锥齿轮的三维齿形。

Virtual cutting were done on reconstructed hepatic models, and liver specimens were cut according to the virtual cutting plane.

虚拟手术系统对重建的肝脏模型可进行任意曲面切割，断面能显示所遇到之管道结构，并与实际肝脏标本的切割断面情况相符。

The paper studies the key technologies of human-computer interaction based on virtual hand in the immersive virtual environment using data glove and position tracker, and also the application in transformer substation simulation system.

本文研究了由数据手套和位置跟踪器构建的沉浸式虚拟环境中基于虚拟手的人机交互的关键技术，以及在变电站仿真系统中的应用。

In order to solve the problem of human-computer interaction in virtual assembly systems, driver classes for data glove and 3D tracker are formed, integrated with virtual assembly environment. Methods of assessing and strategies of processing raw data are given.

为了解决虚拟装配系统中的人机交互问题，结合虚拟装配环境，给出了数据手套和三维跟踪器的驱动类，阐述了数据手套和三维跟踪器的原始数据获取方法和处理策略。

Based on the analysis of both home and abroad status quo of virtual assembly, this paper investigates the software and hardware architecture of virtual assembly system in network environment. It develops VR hardware interfaces based on Java platform, such as data glove, 3D position tracker and shutter glasses, etc.

论文在分析国内外虚拟装配技术研究现状的基础上，较为深入地研究了网络环境下虚拟装配系统的软硬件体系结构，设计了虚拟现实硬件如数据手套、三维位置跟踪仪、闸门式立体眼镜等设备的基于Java平台的接口，实现了立体显示、虚拟手抓取操作等功能，进行了虚拟环境中的碰撞检测。

When this condition occurs, inbound replication with the source partner is stopped on the destination domain controller and event ID 2042 is logged in the Directory Services event log.

计算机密码学是研究计算机信息加密、解密及其变换的科学，是数学和计算机的交义学科，也是一门新兴的学科。

Instructions: click on the thumbnails to see a larger image, then use the left-right arrow keys to scroll through the slideshow.

使用说明：滑鼠点在小图上即可放大观赏。开启后键盘左右键可用来换照片。