查询词典 directed graph

With the theory of bond graph, the bond graph models of extension mode and retraction mode were established.

应用键合图理论，建立了液压缸伸出和缩进两个工况的键合图模型。

This study presents a new multilayer implicit connection graph-based gridless router called NEMO. Unlike the first implicit connection graph-based router that embeds all routing layers onto a routing plane, NEMO constructs a routing plane for each routing layer.

这个研究提出一个新的以隐性连通图为基础的多层非格子绕线器尼摩，它不像之前第一个以隐性连通图为基础的绕线器埋置所有层到一个绕线平面，尼摩一个绕线层就建构一个绕线平面。

On the graph paper below, draw a graph of distance against time for Rowena's run.

a 在下图中画出Rowena快速跑的路程－时间图象。

The shortest path approximation algorithm builds a weighted graph from the given set of scattered points using the distribution of these data points. By computing the shortest path in the weighted graph, the problem of curve reconstruction from scattered data points is transformed into that of curve reconstruction from a set of ordered data points.

最短路逼近算法首次将图论中最短路径理论引入到曲线重建中，根据散乱数据点的分布构造带权连通图，通过求解带权连通图的最短路径，将散乱数据点集的曲线重建问题转化为有序数据点集的曲线重建问题。

Combined with engineering practices, this article proposes that feeder section is regarded as graph, the nodes inside the section are treated as vertexes of graph, and the lines between nodes as arcs.

结合配电自动化的工程实际问题，提出将馈线区间作为一个图，并将区间内各节点作为图的顶点，节点间线段作为图的弧，以线路潮流的方向作为弧的方向，并由此建立了配电网馈线区间的数学模型。

Based on the characteristics above, this paper presents two graph-theory algorithms fast identifying the weakness of networks according to wide area measurement information such as pre-fault network topology and load flow, namely the algorithm of fast search for transmission section based graph theory and the algorithm of fast search for flow transferring Minimal Short Path.

基于潮流转移的上述特点，本文根据事故前的网络拓扑结构、潮流分布状态、输电元件物理参数与系统电压等级等广域测量信息，针对两种不同的网络结构分别提出了相应的快速识别网络薄弱环节的图论方法，即输电断面快速搜索算法与潮流转移最短路径快速搜索算法。

For viewing the deviation of the outer contour and the wall thickness directly, the measurement results are graphically presented by means of the 3-D error effect graph, the equal-deviation chart and the section graph.

测量数据预处理、一致化处理中，研究了数据光滑、匀化、延拓，数据映射等方法，解决了测量数据中存在无用数据和噪声，测量数据不均匀、边界不整齐等问题。

In order to improve the expression capability and the performance ofthe graph transformation in applying to software evolution, a softwareevolution operation description language SEOL (Software EvolutionOperation Language) is proposed, and the structured operational semantics on SEOL is studied, and then the semantic equivalence analysismethod about software evolution operation is described. To the SEOLexpression, the dissertation builds the corresponding processingmechanisms, which include the basic principles and the processing flow,and discusses the graph transformation description in SEOL.

为提高图变换在软件演化应用中的表达能力和处理性能，结合谓词逻辑，论文提出了软件演化操作描述语言SEOL(SoftwareEvolution Operation Language)，研究了SEOL语言的结构化操作语义，指出了软件演化操作语义等价的分析方法，针对SEOL语言表达式，构建了相应的处理机制，包括处理的基本原理和处理流程，讨论了图变换操作的SEOL描述。

On the basis of the optical image principle, the computational flow imaging can generate numerical pictures similar to experimental images such as shadowgraph, schlieren-graph and interfere-graph.

基于光学成像原理，计算流动显示技术可以将数值计算的结果转换成类似于实验照片的图像。

The research case of computer network and graph theory is natural similitude. The research achievement of graph theory has got the application and development in the computer networks research.

计算机网络与图论的研究对象具有天然的相似性，图论的研究成果可以在计算机网络的研究中得到应用和发展。

Who? I never heard of him, Paul said, before asking teammate James Posey if he had heard of him.

赛后，科比说，他一直都是一名非常出色的射手，今天他打得很棒。

When I joined the company, I rotated around the different sections.

我加入这个公司时，轮换过几个不同的部门。