在算法上

Variance shadow maps [4, 7] provide a solution to this problem by representing a probability distribution of depths at each shadow map texel.

方差阴影图算法针对此问题提供了一个方法：通过在shadow map上的每一个纹素上作一个可能的深度分布表示。

On this basis,we explain how QR iteration converges to a block upper triangular matrix,and then state briefly the relationship between QR algorithm and simultaneous iteration.

在此基础上，我们阐明了QR迭代是如何收敛于块上三角阵的，并简明地说明了QR算法与同时迭代之间的关系。

Using the principles of transformation matrix and vector operation, the trajectory equation of cutting edge relative to workpiece is derived.

摘 要：运用图形矩阵变换原理和矢量运算法则，推导出了立铣刀周铣过程中刀具切削刃上任意点相对于工件运动的轨迹方程，在此基础上构造出一种基于工件网格划分的三维表面形貌仿真算法，并给出了相应的仿真算例。

C hoose 8 factors which reflect the characteristic and structure of the labor forc e from the fifth people's census data of 2000, then cluster the 27 towns into fo ur kinds, at last analyze the characteristic and regional difference of the four kinds.

国外对劳动力市场的研究方法有二：一是参照人口密度和通勤率的大都市区劳动力市场界定；二是基于数量分类原理的统计方法，建立在单一程序的基础上，目的是表现对象集统计上的最大化，包括聚类分析和区域化—属性算法等[1]。

In TDD-CDMA system, the different asymmetrical requirements between uplink and downlink in different Base Station and different time will generate serious inter-cell interference. From the interference point of view, Dynamic Channel Allocation is treated mandatorily on TDD-CDMA systems.

摘要在TDD—CDMA系统中由于对上下行不对称业务的需求，使得不同小区间的上下行切换点不同，因此会产生严重的小区间干扰，需要使用动态信道分配算法。

This paper aims at detecting bursts of both monotonic and non-monotonic aggregates over multiple windows in data streams.

为了在数据流上检测多个滑动窗口上的单调聚集函数值和非单调聚集函数值的突变，提出了基于分形技术的构建单调搜索空间的突变检测算法。

As a application of this theory, we discussed the interpolation problems in which the nodes are ununiform rectanglar grids in real space. We gave the lowest interpolation bases of nodes in rectanglar and sidestep-shaped area. Another application is for finite elements theory. We mainly discussed finite elements of Hermite-Birkhoff type interpolation and gave a new algorithms for a interpolation bases.

作为上述理论的具体应用，我们一方面讨论了插值节点为实空间上的非均匀矩形格点的插值问题，主要给出了矩形区域和阶梯形区域中格点上插值问题的按序最低的插值基的一般公式，另一方面我们研究了多元插值在有限元中的应用，主要是针对Hermite-Birkhoff型插值的有限元给出了计算插值基函数的算法。

For the blast furnace loading pipe , in order to compensate for the shortage of traditional brushwork of its stretched map, this article constructs a new mathematics model on the foundation of correct algorithm.

为了弥补高炉上料管展开图传统画法的不足，先在正确算法的基础上构建数学模型，并结合Visual Basic 6。

And we present several experiments to show the advantages and disadvantages referring to the network lifetime and the delay time among these three algorithms on three models, random graphs, grids and hypercubes.

我们进行了多项(来源：AB25C论文网www.abclunwen.com)试验来说明这三种算法在三种不同部署拓扑结构(随机结构，网格结构以及超立方结构)上网络寿命和延时性能上的优缺点。

In this paper, the following progress has been discussed:(1) the improved conjugate gradient algorithm which combines the inversion equation;(2) the formulation for velvet gene at all directions and the approximation method of Jacobian matrics based on disturbance method;(3) the model is adjusted by analyzing the influence of damp coefficient and correction factor to inversion result ;(4) the influence of damp coefficient to the resolution of inversion is studied. to some degree, we improved the problem of "barycenter ascending shift" to electric anomalous body in 3-D resistivity inversion.

本文主要讨论了以下几个方面的内容：（1）结合反演方程式改进的共轭梯度算法；（2）基于扰动法的线源Jacobi矩阵的近似计算方法及光滑系数矩阵在各个方向上的光滑因子的计算公式；（3）通过分析阻尼系数与修改量校正量对反演结果的影响，提出了利用校正系数对模型修正量进行校正；（4）较为系统的讨论了阻尼系数λ对反演分辨能力的影响，较好的改善了三维电阻率反演中的电性异常体重心的&上漂&现象。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。