查询词典 intersection ring

Applying the concept of star dual, which is introduced by Moszynska, we establish some inequalities for star duals of intersection bodies. Hence, we present a new kind of duality between intersection bodies and projection bodies.

采用Moszynska引入的星对偶的概念，我们在第五章中研究相交体的星对偶体，从而更进一步地揭示了投影体和相交体两者之间的对偶关系；引入了对偶混合体的概念。

In order to evaluate the operation efficiency of a signalized intersection before and after the installation of bus lanes, and to quantitatively analyze the improvement of bus operation as well as the impacts of bus lanes on other vehicles, this paper, according to the saturated headways observed in the field, and taking into account the impacts of bus platoons, revises the large vehicle equivalence factor in determining intersection capacities.

为了对公交专用进口道设置前后交叉口运行效率做出评价，定量分析其对公交车辆运行的改善效果及对社会车辆的影响，通过分析各种实测饱和车头时距，提出考虑公共汽车形成车队行驶影响的交叉口进口道通行能力大车修正。

A lossless incremental inverted list intersection algorithm called LEIR is proposed, which can support a larger range of ranking functions than existing incremental intersection methods. As a result, it can reduce query processing cost without compromising result quality.

提出了一种倒排列表的无损增量求交算法LEIR，它解决了现有增量求交算法不支持某些重要的结果评价函数的问题，在保证搜索精度的前提下减少了查询处理开销。

Intersection lineations in rocks, as they are the product of the intersection of two planar structures, are named according to the two planar structures from which they are formed.

相交线岩石中，因为它们的产品的交叉两个平面结构，被命名为根据两个平面结构，从他们所形成的。

The sketch and specific design approaches of mid-block street crossing are generalized and three management and control modes are discussed. Based on extensive investigation and survey, the paper analysis the arriving laws in different land-use condition and the traffic characteristics of different crossing entities under different control modes. The initial characteristic, the speed and dispersion of the mobile flow are also intensive studied, as well as the effect of mid-block street crossing. Establish the linear planning models on the coordination between the signals of mid-block crossing and intersection. Finally the evaluation of the model output is carried out from time saving results, safety, economic results and social results. Set the example of Taiping north road in Nanjing, surveying the traffic situation, applying the method of signal coordination between the mid-block crossings and intersection to realize the south-to-north signal coordination design. The evaluation results show the coordination plan are more superior to the current signal plan.

本文首先阐述了行人过街物理设施的概略设计和详细设计方法，讨论了路段人行横道的三种交通管制方式的设计方法和实用条件；其次，在充分的实际调查基础上，详细分析了不同用地性质条件下的过街需求的到达特性和不同交通管制下不同过街实体的交通特性，分析了进入路段的机动车初始流特性，并对机动车在路段中的车速特征、离散性以及路段信号控制人行横道对机动车流的影响进行了研究；然后，根据以上分析的过街交通和机动车交通的交通特性，建立了路段行人过街信号与交叉口信号协调控制的线性规划模型；最后，对模型输出的协调控制方案进行了效益评价分析，从时间效益、安全性、经济效益和社会效益四个方面，定量和定性相结合地对其实施效果予以评价；以南京市太平北路路段为例，根据现状交通状况，应用行人过街信号与交叉口信号协调控制的方法，对该路段由南向北方向进行单向协调控制设计，并进行方案效益分析评价，提出了优于现状控制方案的人行过街信号与交叉口信号协调控制方案。

A movable plane is built that is perpendicular to the projection of sightline in xz plane; a radial from camera position to mouse point is built and the mouse wheel is used to control the forward and backward movement of the movable plane along the sightline direction; the intersection point of the mouse radial and the movable plane can be moved to any position in 3D space by moving the moveable plane; the coordinate of the intersection point of the radial and the moving plane is calculated, taken as the new coordinate of the object to be moved which is added into the romance pipeline, and the object movement can be implemented.

论文摘要：为优化虚拟三维管理领域的物体移动操作，实现利用鼠标完成物体在三维空间中任意点的移动过程，引入可移动平面的概念，在三维空间建立垂直于视线在xz平面投影的可移动平面；建立1条从摄像机位置到鼠标位置的射线，由鼠标滚轮控制可移动平面在视线方向上的前后移动；通过移动可移动平面，使鼠标射线与可移动平面的交点可以到达三维空间中的任意位置；计算射线与可移动平面的交点坐标，将其作为待移动物体新坐标放入渲染流水线，从而完成物体移动。

When you reach the intersection, turn left and walk west down past the roadworks to the large intersection.

当你到达十字路口，左转，走西方的道路过去下跌的大交汇。

For the floating body with complex bow and stern, the molded line reconstruction method is adopted to generate the section lines on the bow and on the stern which are necessary to construct the wetted surface, and it can raise efficiency greatly that the intersection lines of intersection structures are obtained by the way of combining modeling tool and NURBS technology; then the patch representation method is adopted in generating the mesh of wetted surface and interior free surface, and the velocity potentials on them are expressed separately, on basis of which the irregular frequency effect is dealt with in the calculation of hydrodynamic coefficients.

对于有复杂首尾结构的浮体，用型线重构的方式在首尾生成曲面构成所需要的截面线，将通用建模工具和NURBS曲线拟合相结合，生成相贯结构的相交线；然后，用分片法生成浮体湿表面及内自由面网格，并独立表达各自的速度势以处理不规则频率现象，进而进行水动力系数计算。

Aiming at the problem in the existing voxelization algorithms, a block-based algorithm is presented: GPU clipping method is used to voxelize the surface in every block, and ray intersection method is adopted to generate seeds filling the inner/outer space of blocks; among blocks, three seed planes are designed to help seeds span the blocks, so that a great deal computation for intersection is avoided.

提出以分块为基础的高分辨率实体体素化算法：在分块内部，采用基于图形处理器(Graphics Processing Unit， GPU)的切面光栅法对分块表面体素化过程进行加速，采用射线求交方式生成种子并进行块内填充；在分块之间，设计了3方向的种子扩散面及跨块扩散机制，避免因分块而导致的大量几何求交运算，提高了效率。

With the boundary point and the known adjacent relations, an overall marching procedure can go on and the iteration process stops until the intersection curve is self-closed or reaches the border of the composite surface. In the later case, the marching must be repeated from the starting point in the reverse direction until the intersection curve reaches the other border of the composite surface.

由一个交点出发，通过计算跟踪方向和跟踪步长，迭代计算出下一个精确的交点；利用边界点和近曲面点计算方法，根据曲面片的拓扑关系找到交线所经过的下一张曲面片，从而使跟踪过程继续下去，直至形成封闭交线环而停止该交线段的跟踪，或到达复合曲面的边界后由首交点反向跟踪到达复合曲面的另一边界。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。