当数据库服务器处于联机状态并执行操作时，如果虚拟区的初始尺寸太小，数据库服务器会自动向虚拟区附加其他操作系统段。
When the database server is online and performing operations, it automatically attaches additional operating-system segments to the virtual portion, if the initial size is too small.
对虚拟轴工作台并联机构做了静力分析和动力分析。
Static and dynamic analyses were made for the virtual-axial worktable.
建立了一种三自由度平面并联机构虚拟样机实验平台。
A virtual experimental platform of planar parallel mechanism with three freedoms is established.
研究了能用作平面虚拟轴机床的三自由度平面并联机构的可能的类型。
In this paper all types of the planar parallel mechanisms with three freedoms used in planar virtual axis machine tools are analysized.
提出了并联机床虚拟概念设计的设计过程，采用基于虚拟样机技术的商业软件AD AMS实现了并联机床虚拟样机模型的建立及仿真分析。
A design process of parallel machine tool (PMT) virtual concept design was put forward, and modeling and simulating analysis of PMT virtual prototype were realized based on ADAMS.
介绍了并联机床虚拟产品设计系统（P MT V PDS）的基本框架及其子系统功能。
The basic framework of Virtual Product Design System for Parallel Machine Tools (PMT VPDS) and functions of three subsystems are introduced. The archetypal system is developed.
介绍了并联机床虚拟产品设计系统（P MT V PDS）的基本框架及其子系统功能。
The basic framework of Virtual Product Design System for Parallel Machine Tools (PMT VPDS) and functions of three subsystems are introduced. The archetypal system is developed.
应用推荐