查询词典 graph method

In this paper,we study the problem finding basic circle in plane graph,in which the number and coordinate of nodes and the node number of two ends of the side is given,we create a method,which is enlightened by the"proble of find way in labyrinth",to find way in branch point and then to find basic circle.

论文讨论了平面图形中存在着节点和边，在已知节点的坐标、标号以及边的标号和边两端的节点标号情况下，对其中存在的一阶环进行计算机搜索问题，提出了受"走迷宫"问题启发的一种在分叉点沿一定的方向进行搜索的方法。

The finite element soft ware on this basis has the function of grinding units, calculating the stress of every unit knot and the displacement of deformation after digging wall rocks, and simulating the graph of deformation and stress field distribution and stress flow thus providing a feasible method for designing, digging and protecting tunnel.

基于有限元法开发的有限元软件具有划分有限元网格、计算隧洞围岩在开挖后的有限元各节点应力大小和变形位移、模拟围岩变形图、应力场分布和应力的流动等功能，为设计、开挖和维护隧洞提供了可行性方法。

The chapter four proposes a new method to locate graph center and also a novel centric index.

第四章提出了确定分子中心的一种新的方法以及一个新的分子中心指数。

A new method was proposed for grindability comprehensive evaluation of engineering ceramic materials based on the digraph theory in the graph.

应用图论中的有向图理论，以材料磨削加工性属性为顶点，以各属性之间的相互关系为边，建立了陶瓷材料磨削加工性评价的有向图模型。

An important method of graphical model selection is to use scoring criteria to measure how well the graph structures fit the data. We present seven operators which can be applied to representations-largest chain graphs of equivalence classes.

由观察数据学习链图的结果仍然是一个等价类，当采用具有得分等价性的得分原则时，最好选择链图等价类空间作为搜索空间，这样可以避免对等价的链图重复得分。

Based on the working condition of the tractor, a new type of electric tractor drive system which combines a motor and a gear, and the evaluation index and the calculation method for dynamic performance of electric tractor are suggested; taking an electric tractor drive system as design object, the balance graph of drive-resistance force, climbable gradient under different shifts, and continuous working time are calculation analyzed.

根据电动拖拉机作业特点，提出了一种电动机和变速箱相结合的电动拖拉机传动系统结构方案，并给出了电动拖拉机动力性能和经济性能评价指标以及电驱动系统主要参数的设计计算方法，以基于串励直流电动机的某型号小四轮电动拖拉机电驱动系统为设计实例，计算分析了该电动拖拉机的驱动力-行驶阻力平衡图、不同挡位下的爬坡度以及连续作业时间。

This article introduces the basic theory and the specific method of the electronic dynamic closed graph s maping by computer.

本文介绍了计算机绘制电子动态封闭图的基本理论和具体方法。

This essay studies the graph characteristics method of parameter curve and its describing mdthed and the evaluation of the plane region area closed by itself.

研究参数方程所示曲线的图象特点及描绘方法、自身封闭所围平面图形的面积的求法，弥补了现行教材的不

By summarizing theorical analysis and application, it is validated that the proposed approach of the extensible elementary linear graph made some achievements in multidisciplinary composable simulation. And then the modelling range was enlarged, and the simulating efficient was improved. So the effective method and tool were provided for simulating multidisciplinary system.

理论分析和应用研表明，本文提出的基于可扩展单元线性图模型的复合建模方法在多领域统一建模理论上取得了一些进展，扩展了应用范围，提高了建模效率，为复杂的多领域系统整体性能仿真提供了有效的建模方法和工具。

As the example, robot mechanism is considered, including the topology graph representation. compotation of the mathematical model. This method based on Riemann geometry with simpler formulation is more suitable for computer-aided modeling and dynamic analysis.

讨论了机器人系统的拓扑图表示和动力学模型计算等，与已有的机器人动力学分析办法相比，基于黎曼几何和拓扑图表示方法的动力学分析更加简便，更加适合机器人动力学机械化建模。

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。