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This paper stated the application of parallel link mechanism in modern machine tools,set up the error analysis as to parallel link mechanism in the virtucal-axis machine tool,derived the double triangular error equations of parallel link mechanicsm in its horizontal posture,analyzed the linearity and non-singularity of the error equations,thus giving the normal splution to the horizontal posture error.

该文对并联机构在现代机床上的应用作了论述，建立了虚拟轴机床并联机构的一种误差分析方法，应用坐标变换原理导出了双三角并联机构水平姿态时的误差方程组；分析了误差方程组的线性和非奇异性，给出了水平姿态时的位姿误差正解；对工作空间中心线的误差分布规律进行了仿真，绘制了其误差分布曲线。

It is formed from controllable slide block mounted in guideway, length-fixed drive rod capable of driving slide block and making it move in guideway, controllable telescopic shaft and mobile and turnable working table consisting of moving platform for mounting cutting tool and working table for mounting workpiece, and utilizes the drive rod, controllable telescopic shaft, moving platform, slide block and guideway to form the invented redundant drive plane parallel closed link mechanism with several functions of cutting, grinding, load-shifting and assembling, etc.

由安装在导轨中的可控滑块、驱动滑块在导轨中运动的定长驱动杆、可控的伸缩轴及安装切削刀具的动平台、安装工件的工作台构成的可移动和转动的工作台组成。并由驱动杆、可控伸缩轴、动平台、滑块、导轨构成冗余驱动平面并联闭链结构。该装置既具有切削、磨削、移载、装配等多种功能，又具有简单结构、大作业空间和刀具实现姿态能力，以及优先的加工方向等优点的并联机床新结构。

For the request of NC machining the tool track can be input in the G codes wayIn this paper there are analysis, calculation and simulation modeling to 2-DOF and 3D0F parallel translation mechanism.

根据利用并联机构进行数控加工的要求，本文还开发了接受以G代码的方式输入的刀具点运动轨迹从而控制被选机构运动的功能。

After the parallelizability analysis, the simulation method is parallelized with parallel programming tool OpenMP.

然后通过对仿真算法流程的并行性分析，以并行编程标准OpenMP为基础对仿真算法进行了并行化。

Electron paramagnetic resonance spectrum is an effective tool to investigate the optical and magnetic properties of crys...

电子顺磁共振谱是研究掺过渡和稀土金属离子晶体及络合物的微观结构、光学和磁学性质等的有力工具。

The NURBS surface interpolation program given in this paper, in which the tool trajectories is parametric curve, is relatively simple.

给出了刀具沿参数线方向进给的NURBS曲面实时插补程序的框架和简单实现。

On the basis of above mentioned research works and achievements, a parametric CNC toolgrinding programming system, which is set up on the foundation of a process data base and mainly composed of a program package for all sorts of cutting tool factors, is developed.

基于以上理论研究工作和研究成果，开发了一个参数化刀具数控磨削编程系统，系统以工艺数据库为支撑，以编程程序库为核心，提出并采用了参数化数控编程技术和基于刀具结构要素编程技术。

Even somebody he and a technology that develop poineering drive acme paranoiac place on a par, because all the time since, he is embracing Silicon Valley spirit with his special kind, struggle its translate into edge tool.

甚至有人把他与一个将创业精神发挥到极致的技术偏执狂相提并论，因为一直以来，他都在以自己的特殊方式去拥抱硅谷精神，并将其转化为斗争利器。

I recently migrated a bunch of distribution groups from a child domain to its parent using the active directory migration tool.

我最近迁移来自子网域通讯组一群到它的父使用Active Directory迁移工具。

When this is selected, moving a parent object does not move its children. This option has also been added to the marking menu for the Move Tool to quickly turn it on or off.

当它被选择了之后，移动父物体而不会移动子物体，这个选项也也被加入到移动工具的标记菜单中，可以快速开起关闭它

Apllied the data of QuickBird-2——the highest resolution remote sensing,and based on the theory and methodology of fractal geometry,we have quantitatively studied remote sensing lineations in Gaolong gold deposit of Guangxi.

采用Quick Brid-2高分辨率卫星遥感数据，通过分形几何学的盒计维数法，定量研究广西高龙金矿区遥感线性构造。

So, sometimes, to change the color can not be your food (referring to the above-mentioned crustacean) has been a sign of boiling over.

所以，有时，来改变颜色，不能你的食物一直是沸腾了的迹象。