model n. 1.模型,雏型;原型;设计图;模范;(画家、雕刻家的)模特儿;样板。 2.典型,模范。 3.(女服装店雇用的)时装模特儿。 4.样式,型。 5.〔口语〕极相似的人[东西]。 adj. 模型的,模范的。 a clay model 【雕刻】黏土原型。 a working model 机器的运转模型。 a model shot 【摄影】模型镜头。 a model aeroplane 模型飞机。 a model test 典型试验。 The boy is the perfect model of his father. 这孩子活像他父亲。 after [on] the model of 仿效…,拿…当做模范。 stand model 做模特儿。(〔英国〕 -ll-) vt. 1.作…的模型[雏型]。 2.(依照模型)制作,仿造,建造 (after;on;upon)。 3.设计,仿照,拿…做模范。 vi. 做模型;做模特儿。 delicately modeled features 清秀的面貌。 model a garden after the manner of Kew 仿照(伦敦) Kew 植物园设计的花园。 model oneself up (on) sb.仿效某人。
Aiming at this kind of problem a method utilizing the division of assembly unit was put forward to carrying out division of layers ; the layered orientation graph model of the information of assembling positioning relationship was expressed in every layer by the use of embedded orientation graph 针对这种问题,提出利用装配单元划分的方法进行分层;在每层中,用嵌套式的有向图表示装配定位关系信息的分层有向图模型。
It regards a hydraulic component as the basic treatment object or the bond graph model partition unit . according to the common modularization characteristic between hydraulic system and bond graph , the hydraulic component entity class library and its corresponding model description library are established 在对已有液压原理图建模方法比较分析的基础上,本文完整性地提出了一种基于键合图技术的液压原理图可视化建模方法。
The directed graph model of agvs is used to give a mathematical tool for the research of dispatching methods and routing algorithms of agvs ; the colored tempo - petri net system model of agvs is mainly used to describe the concurrency of agvs and the conflict of agvs 有向图模型主要于为通过仿真来研究自动导引车的调度方法和路由算法提供了一个有效的数学工具;而有色时延petri网系统模型则主要用来在计算机仿真系统中描述agv之间的冲撞和agvs的并发特性。
Finally , some key technologies for 2d graphs reconstruction are studied . the issues concerned include the recognition and presentation of topologic relations among graphs entities and a directed and weighted graph model established to describe the relations and techniques on dimension driven 本文最后一部分详细讨论了图形二维重建的关键技术,包括识别图素间的拓扑关系,建立带权有向图的拓扑关系动态表示模型,尺寸驱动技术及辅助线线型重构技术等。
Based on previous research , the major research works and initiative points in this article are : firstly , this thesis discusses the rationality of using economic method and agent technology to manager grid resource , and make out the need and feasibility of introducing the economic method . secondly , proposing a resource management economic model by syncretizing web services , which can adapt to the dynamic traint , integrate the existent distributed system , and fit the inherent scalability . thirdly , proposing a graph model of the resource dynamic replication strategy . and the graph model solve the three key points of dynamic replication , that is , which , when , and where the replicas should be created 在前人的工作基础上,本文的主要研究工作及创新如下: ( 1 )本文讨论了使用经济学方法实施网格资源管理的合理性,分析了网格环境引入经济学方法的必要性和可行性; ( 2 )提出了基于代理的、融合了web服务的网格资源管理经济学模型,该模型可以满足网格的动态性特点,可以很好的集成目前已有的系统,不造成资源浪费,并且适应网格的可扩展性要求; ( 3 )提出了网格中资源动态复制的图模型。
Power bond graph is used to established the bond graph model of the lifting and dropping of hydraulic pile hammer and state space equation in the paper for hydraulic pile hammer is perplexing nonlinear system . in order to attain the graph that pressure , position , velocity , acceleration vary with time in the course of driving pile simulation procedure solving state space equation is designed on the basis of combining four - order runge - kutta method with predicator - corrector method , dynamic simulation of the hydraulic system is studied in matlab 6 . 5 . it is convenient to analyse dynamic characteristics of the hydraulic syste m , beneficial to the design and parameter optimization of the hydraulic system . in the final part of the paper , under detailed analysis of the control characteristics for double - acting hydraulic pile hammer with double cylinders , control system based on the programmable logic controllers founded on technology of modern compute is designed 由于液压打桩锤液压系统是一个复杂的非线性系统,本文采用功率键合图法建立液压打桩锤上行、下降的键合图模型和状态空间方程,通过四阶龙格?库塔法和预估?校正法相结合编制了仿真程序对状态空间方程求解,在matlab6 . 5中进行液压系统的动态仿真,获得液压打桩锤运动过程中压力、位移、速度、加速度等随时间变化的曲线图。此曲线图方便了对液压系统动态特性分析,为液压系统的设计和参数优化提供了有益的借鉴。最后,在深入分析双缸双作用液压打桩锤控制系统的功能要求后,采用了以现代计算机技术为基础的新型工业控制装置? plc可编程控制器,设计出了双缸双作用液压打桩锤的电器控制系统。
The results of simulation show that the hierarchical optimization functions have stronger deceptive so that the algorithms be pendulous among local optimizations . however the evolutionary mechanism based - on graph models being discussed displays its favorable characteristic of intelligent optimizing , such as to overcome deceptive and explore inherent laws on search space . ( 5 ) a method for designing a model framework of situation awareness for ucays based on object - oriented bayesian networks is presented 仿真结果表明,本文所研究的层次化函数确实具有迷惑性,引导算法在峰值之间飘忽不定,但即使如此,本文提出的基于图形模型的智能优化机制依然表现出具有克服问题欺骗性,可探索问题内在规律和智能寻优的良好特性。
5 ) to solve the uncertain modeling problem about hydraulic buildings , a new modeling method named aggregation modeling based on graph object technique is put forward . as a result , the graph model of solid gravity dam is designed . the graph object of water _ proof dam section taken as an example , the design and implement of self defined graph object is discussed 5 )根据水工建筑物不定型建模的特点,提出一种基于图形对象技术的聚合建模方法,详细讨论了聚合建模法的基本原理;设计了实体重力坝的图形对象模型,并以挡水坝段图形对象的设计为例,研究了自定义图形对象的设计和实现;基于objectarx的通知? ?反应机制,采用数据库反应器和对象反应器,建立了图形对象的互动操作机制;以挡水坝段断面优化设计为例,研究了图形对象和分析、计算功能的集成方案。
( 3 ) the inhere drawback of traditional algorithms to construct bayesian networks is pointed out . so the local bayesian network metric attribute based - on bayesian dirichlet metric is also researched , and some notions on bayesian networks are presented , such as comparability , independency and symmetry on nodes etc . it is showed that the comparability is an important factor on whether two nodes is linked , and a sufficient condition for nodes with most comparability is obtained . by using this analysis on local bayesian network , the important principia are presented to create graph models ( 3 )由于构造贝叶斯网络图的传统算法存在固有缺陷,本文通过探索贝叶斯网络图的内在规律,主要研究基于bd度量的局部贝叶斯网络图的度量属性,提出网络图中节点的相似性、独立性及对称性等新概念,得出相似性是两节点连接与否非常重要的因素,对称节点具有相同的bd度量值,获得具有最强独立性节点的充分条件。
Based on the conclusion of organizing into trains and simulating the thoughts of dispatchers in district stations , this paper analyzes the features of time sets of shunting locomotives , constructs the reasonable graph model in the way of making out time sets , and converts it into the problem of graph coloring 在车流推算的基础上,从应用计算机模拟区段站调度员思维的角度出发,通过分析车列占用调车机车时区集合的特点,使用划分时间片的方法建立合适的调车机车安排的图论模型,将调机运用问题转化为顶点具有加权的图的k -着色问题。