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Furthermore, author analyzes the properties of the multiplicatively weighted Voronoi diagram and the additively weighted Voronoi diagram and the compoundly weighted Voronoi diagram, and with the aid of GIS software author develops a simple raster-based approach to construct above three weighted Voronoi diagrams.

分析了倍增的、相加的和复合的加权Voronoi图的性质,提出了一种基于GIS的构建加权Voronoi图的简便方法,该方法可以生成两维空间上任意图形的加权Voronoi图,这种方法基本上可以满足城市与区域规划应用研究的需要。

We shall give some computational results to illustrate the properties of the weighted curvature flow when ω is a nonnegative piecewise smooth weight function.

紧接著,我们将探讨当加权函数是一非全平滑的函数时,该加权的曲度流程对於平面曲线的作用。同时,我们将尝试透过电脑模拟该加权曲度流程对於影像的变化。

In the optimal control of kinematics for redundant robots, two new concepts, the matrix weightability measure and the self-motion declinability measure are proposed. Further, a modified weighted gradient projection method which combines gradient projection method with weighted least-norm solution is presented, it can attain ideal optimal effects at low velocities.

本文对冗余自由度机器人的运动学、动力学和容错等方面的优化控制进行了深入的分析和探讨:在冗余度机器人运动学优化控制方面,提出矩阵可加权度和自运动可衰度的概念,将梯度投影法和加权最小范数解法有机的相结合,形成可优化能力强、关节速度较低的改进的加权梯度法。

In chapter 10, we propose the random weighting approximation method for distribution of sample mean under simple random sampling in one-dimensional finite population.

第十章 将随机加权法首次应用到简单随机抽样方案下的样本均值分布逼近问题中,从数字特征角度说明了随机加权方法在抽样理论中的可用性,从而拓广了随机加权法的应用范围。

First, various normwise relative condition numbers that measure the sensitivity of W-weighted Drazin inverse and the solution of singular linear systems are characterized.

首先,我们利用不同的范数定义了加权Drazin逆及其奇异线性方程组解的条件数,用来度量矩阵求加权Drazin逆和一类奇异线性方程组求加权Drazin逆解对于扰动的敏感性。

Without such detailed information, raking comes as a rescue since it requires only the knowledge of marginal distributions of selected variables. Popular as it may be, raking takes no account of associations among post-stratifying variables. Furthermore, it relies heavily on Chi-squared tests and a pre-selected p-value (usually 0.5) as the stopping rule of iteration, an ad hoc rule justified only by convenience.

因此,目前最常采用的是「反覆多重加权」的方式,但「反覆多重加权」实际执行时,最大的问题在於其检定方式是透过卡方检定,通常只要其检定P值大於0.5,就认定样本与母群一致,而未考虑一个最佳化的加权值。

In this paper, we first give an example that the bilateral weighted shift operator in c_0space is hypercyclic operator and first solve the existence problem of hypercyclic operator in c_0or c_0(Z space . And then we investigate the property of weighted shift operator in c_0 space and an important property of the hypercyclic vector of weighted shift operator in c_0 space and c_0 space. At last we give the concept of weak hypercyclic operator and weak hypercyclic vector , and give the equivalence between the weak hypercyclicity and the hypercyclicity in l~1 space.

本文首先给出了c_0空间上的一个双边左加权移位算子是超循环算子的一个例子,首次解决了c_0 或c_0(Z 空间中超循环算子的存在性问题;接下来分别研究了c_0和c_0空间上的加权移位算子的性质以及c_0和c_0空间上的加权移位算子的超循环向量的一个重要性质,最后提出了弱超循环算子和弱超循环向量的概念,并且给出了I~1空间中弱超循环性与超循环性的等价性。

In addition, we'll discuss the relationship between the weighted Moore-Penrose inverse of a matrix and its bording and give the determinantal expression of the weighted Moore-Penrose inverse.

另外,在矩阵具有加权Moore-Penrose逆的基础上,讨论了交换含幺环上它的加权Moore-Penrose逆与加边矩阵的关系,并给出加权Moore-Penrose逆的行列式表示。

In addition, well discuss the relationship between the weighted Moore-Penrose inverse of a matrix and its bording and give the determinantal expression of the weighted Moore-Penrose inverse.

另外,在矩阵具有加权Moore-Penrose逆的基础上,讨论了交换含幺环上它的加权Moore-Penrose逆与加边矩阵的关系,并给出加权Moore-Penrose逆的行列式表示。

The MR protocol involved transverse, coronal, and sagittal noncontiguous T2-weighted single-shot fast spin-echo sequences; transverse fat-suppressed T2-weighted fast SE sequences; transverse T1-weighted gradient-recalled-echo sequences; and transverse and coronal short inversion time inversion-recovery sequences performed through the lower abdomen and pelvis.

MR计划包括于下腹部与骨盆位置执行的,横轴的、冠状的、矢壮轴的非连续T2加权单射快速环绕音波程序;横轴压抑脂肪讯号的T2加权快速SE程序;横轴T1加权梯度回复音波程序;以及横轴、冠状短程反向时间反向回复程序;由2位放射科医师评估MR结果,以及与外科及病理发现、临床追踪数据比较。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。