查询词典 grid system

So in this paper, we introduce the multi-grid algorithm and conjugate gradient algorithm to solve this system.

为说明该方法的优点，最后对用这两种方法处理的超声医学图像的收敛曲线和平滑结果进行了比较

This reactive power is exchanged with the grid to control the system voltage.

通过无功功率的调节达到控制系统电压的目的。

On-line voltage stability monitoring and control system in Fujian power grid is presented in this paper.

本文介绍了福建电网在线电压稳定监视与控制系统。

The curved grid is taken to constitute a generalized curvilinear system. Thus, the wave equations have to be written in curvilinear coordinates before applying the numerical scheme.

这一映射技术将直角坐标系下的曲界面变换成曲坐标系下的规则界面，在曲坐标系下用伪谱法模拟波场，最后利用插值得到实际波场的合成记录。

Based on application of 3D body-fitted numerical grid with a curvilinear coordinates system and the theories about turbulent flow and the laminar flow, the new techniques that the independent variables were expressed by co-variable velocities were applied to solve the problems about flow around a high-speed car body for the first time.

采用当今数值新技术，较为全面和深入地研究了高速汽车车身绕流问题。本文依据k-ε双方程湍流模型和附面层理论，采用先进的曲线坐标系下的贴体与边界正交数值网格技术，首次把以协变速度分量作为独立变量的数值技术运用于汽车车身绕流问题的求解。

The author constructs LREO by Protg,by establishing metadata namespace,defining relations among LREO elements,showing ontology view of LREO and giving access methods.The author constructs LRSDG with the help of Grid platform GT4,which implements system's monitoring and management,data synchronization testing and data analyses of user access.The author also constructs LRSS using Sakai,which provides user authentication,distribution of competencies,interactive collaboration and co-evolution in the ecosystem.

g开源本体工具建构了学习资源生态本体，包括建立元数据命名空间，定义LREO元素和元素间关系，呈现LREO本体视图，并给出了本体语义访问方法等；利用网格平台GT4实现学习资源自治管理环境LRSDG，包括LRSDG的系统监控管理、同步数据性能测试和用户访问情况数据分析；用开源Sakai系统建立了学习资源的服务共享环境，实现了学习资源服务共享环境中的用户认证、权限分配以及协作交互与协同演化等功能。

The grid type energy dissipator process, commonly used in water conservancy project, was adopted in the design of sewerage system.

山地城市的地形坡度较大，排水管道系统的上、下端落差大，因而需设置大量的跌水、消能构筑物，为此，在城市排水管道工程设计中引入了在水利工程上常用的格栅式消能池工艺，并介绍了格栅式消能池的工艺构造、消能机理及设计计算方法。

According to the self-organized criticality of complex power system, based on the theory of statistics and probability, an effective method to determine the blackouts caused by power grid cascading failures is proposed by using the theorem of maximum attraction field of extreme value distribution.

针对复杂电力系统的自组织临界性特点，基于概率统计基本理论，利用极值分布的最大吸引场定理提出一种分析电网连锁故障大停电事故的有效方法。

Putting this system into operation can effectively improve the reasonableness and foreseeability of operating decision of power grid.

系统的投运有效地提高了电网运行决策的科学性和预见性。

This paper discussed the coordinate transformation method of WGS84 coordinate system to 1954-BeiJing Gauss grid coordinate. Introduced transformation model of WGS84 to Beijing 54 and computing method of transformation parameter. According to different model and computing method, computed and compared with the result combine real data. Think that adopt base-line vector quantity ask four parameters model have higher transformation precision.

本文详细讨论了WGS84大地坐标转换到北京54坐标系下的高斯平面坐标的方法，重点介绍了WGS84和北京54的空间直角坐标的转换模型及转换参数的计算方法，并根据不同的模型和计算方法结合实际数据进行计算和结果的比较，认为采用基线向量求解的四参数模型具有较高的转换精度，分区变换和提高控制点精度也能提高转换的精度。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。