结点

Introduced is a kind of space uniform rational spline curve, which possesses tension parameters and is based on hyperbolic spline functions.

引入了基于双曲样条函数的、具有张力参数的空间有理等距节点样条参数曲线，给出了这种曲线在每个样条子区间上为挠曲线段的充分必要条件；分析了这种挠曲线段没有尖点、重结点和泛拐点的特性；因而在用于空间曲线几何造型时可避免奇异性。

In this paper,a new algorithm is given by means of the complexification of the knots,i.e. the node in the plane is considered as a complex point,the vector as a complex vector,and then based on the construction of vector valued Thiele type rational interpolants and the backward three term recurrence relation for vector valued continued fractions,the recursive algorithm is obtained by appropriate transformation.

文章利用插值型值点复数化的方法讨论并给出了二元向量值有理插值的一种新算法，即把平面上的插值结点视为一个复数，所对应的向量视为一个复向量，使用一元Thiele型向量值有理插值公式的构造方法和向量连分式的向后三项递推关系式以及适当的变换，最后导出了这种递推算法。

We propose a method to eliminate regular expression operator (symbol ?,*,#,+) and wildcards (symbol #,%) by exploiting the structural information and statistical information in DTD directory.

重写为简单路径表达式，其中主要研究了通过DTD字典中的结点信息和元素环的统计信息来消除正则操作符和通配符。

Renumbering node number of finite element makes the bandwidth reduced,the consumption of RAM decreased and computing speed increased.

改善有限元的结点编号可以减少带宽，从而减少内存的消耗，减少计算时间，提高计算速度。

This article analyses the basic structure of the legal application system of transnational succession, unity and scission, selection of connecting point, international treaties of transnational succession, etc.

分析了跨国继承法律适用制度的基本结构、同一制和分割制、连结点的选择、跨国继承的国际公约等内容，并指出跨国继承法律适用制度的国际统一需要各个国家的协调与合作。

The arcs which are joined in the same node are ordered by means of bina sorting tree, and the minimal polygons are built by the right sequence of arcs, then polygon overlaying is finished.

通过在无拓扑矢量数据中局部引入拓扑关系，对同一结点连接的弧段，采用二叉树方法进行排序，构建最小多边形，完成无拓扑信息的矢量图形的重组，并对新算法与已有算法的结构进行了对比。

Local topological information is imported to the altered polygon in this new algorithm.The arcs which are joined in the same node are ordered by means of bina sorting tree,and the minimal polygons are built by the right sequence of arcs,then polygon overlaying is finished.

通过在无拓扑矢量数据中局部引入拓扑关系，对同一结点连接的弧段，采用二叉树方法进行排序，构建最小多边形，完成无拓扑信息的矢量图形的重组，并对新算法与已有算法的结构进行了对比。

This paper discusses the protocol of distributed collaborative product development, and then analytic method of integrated capability is brought in allusion to selection for signee agent.

本文论述了异地协同产品开发的协议过程，并针对签约结点的选择提出了综合能力分析方法模型。

Last,a new method is presented to recognize simple polyhedron from a line drawing.The method filters the candidate database before matching line drawing and model,so the recognition efficiency is improved greatly.

提出一种从单幅线图识别简单平面立体的新方法，该方法在匹配待识别线图与模型结点之前，先用拓扑信息进行候选模型的筛选，大大提高了识别的效率。

Hence the study of geometric properties, which include the distribution of singular and inflection points and the convexity of parametric curves, is the key for designer to control the curves shape.

在计算机辅助几何设计的光顺曲线造型中，不希望曲线带有二重结点、尖点及多余拐点，因此对参数曲线的几何性质(包括奇、拐点分布及凸性等)的研究是控制其曲线形状的关键。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。