mathematical tree
英 [ˌmæθəˈmætɪkl triː]
美 [ˌmæθəˈmætɪkl triː]
网络 数学树
双语例句
- Based on the factors that cause the third party damage, a mathematical model was formulated using a fault tree analysis and a fuzzy comprehensive analysis.
根据影响第三方损坏因素的情况，采用故障树分析法和模糊综合评判法相结合的数学模型进行评价。 - The concepts such as mathematical expression, stack operation and binary tree traversal must be presented in data structure.
数学表达式、栈的操作、二又树的遍历，这几个概念在数据结构的教材中是不可缺少的。 - At the same time, it builds a fuzzy integrated decision-making mathematical mode to establish the liability for maritime collision, by using Fault Tree Analysis ( FTA) in systematic engineering as well as the theory of fuzzy integrated evaluation.
同时，运用系统工程中的事故树分析法和模糊理论中的模糊综合评判，建立船舶碰撞责任认定的模糊综合决策数学模型。 - The process of innovative design is illustrated by an artwork ( vase) design example, which uses OpenGL to form sketch shapes and a feature based product tree to generate component combination choices and generic algorithm based on binary mathematical expression tree to achieve innovative design.
以花瓶设计为例描述了系统的辅助设计过程。该实例利用VC自带的图形函数库OpenGL生成形状草图，用基于特征的产品设计树产生可选的部件组合，用遗传算法实现创新设计。 - A well-defined mathematical model was presented and a frequent sequential pattern tree mining algorithm ( FSPTM) was constructed for the sequential pattern mining problem with time constraint.
针对引入时间约束的序列模式挖掘问题提出了较为完备的数学模型，定义了求解问题的规则，并构造了引入时间约束的序列模式挖掘算法（FSPTM算法）。 - The conception hierarchy tree is briefly introduced. The mathematical model of Qualitative Mapping ( QM) based on mutual change of quality and quantity is analyzed. The conception is exalted to construct conception hierarchy tree by adjusting the qualitative criterion [ α I, β I].
对概念层次树进行简介，分析量&质转化的定性映射（QualitativeMapping，QM）数学模型，通过对定性基准[αi，βi]的调整，实现概念提升，以构建概念层次树。 - The binary tree structure is used as the expression of mathematical functions, and crossover, mutation, arithmetical operation and selection are operated on the mathematical functions with tree structure for producing new offspring.
采用二叉树结构表示数学函数，并对树结构表示的数学函数实施交叉、变异、算术运算、选择等操作，产生新的后代。 - STUDIES ON RESPIRATION OF HEVEA POPULATION ⅱ. A Mathematical Model for Estimating the Total Respiration Output of Different Organs of A Tree
橡胶树群体呼吸作用研究Ⅱ.估算一株树各个器官呼吸总量的数学模型 - Mathematical Models of New 'Shoot Growing of Apple Tree
苹果树新梢生长动态的数学模型 - This paper discusses the establishment of the discrete input& output mathematical model, and its application to the fixed deposit, mixture of solution, the increase of tree number of forest, and economic problems.
本文讨论离散型输入输出数学模型的建立及在定期存款问题，溶液的混合、树群株数的增长和经济方面的应用。 - In this paper, a mathematical definition of decision tree classifier is given.
本文从理论上给出了树分类器的数学定义，探讨了分类树的优化和性能评价函数这两个关键问题。 - Mathematical Description of Fractal Structure of Bronchial Tree
肺气管树分形结构的数学描述 - Torsional Vibration Mathematical Modeling of Auger-Bit Principal Axis of Digging Machine for Tree Planting and Its Solution
植树挖坑机钻头主轴扭转振动数学建模与求解 - General mathematical modle of decision tree
树形决策的一般数学模型 - Petri net is used in this paper as a mathematical tool to describe the disassembly tree of products and formulate it in self-definition grammar.
运用Petri网作为数学工具描述产品的拆卸树，并用自定义的语法作形式化的表达，重点研究了选择性拆卸问题。 - To minimize the production cost and storage cost of tree length flow and balance the tree length transportation and operation in log yard as the objective, the macrocontrol and microcontrol mathematical models of tree length flow are developed.
以与原条流量有关的生产和贮存费之和最小，组织原条运输和贮木场作业均衡生产为目标，运用现代控制理论建立了原条流宏观和微观控制的数学模型。 - The Mathematical Model of the Optimal Land Leasehold of The Fruit Tree Planting
果树种植最佳土地租赁期的数学模型建构 - Mathematical Simulation of Individual Tree Growth of Pinus tabulaeformis
油松个体林木生长的数学模拟 - Advances on research and application of mathematical simulation in fruit tree ecophysiology
果树生态生理数学模拟的研究进展和应用 - The net photosynthesis efficiency of the selected clones is 24.44%-27. 81% higher than that of the control trees. The mathematical models for biomass increase in all the tree parts are given.
净光合效率比对照高24.41%～27.81%.并建立了各器官生物量增长的数学模型。 - The paper first discusses multicast network model and its mathematical model, and then presents a new algorithm based on Hopfield neural networks which are used to optimize the multicast tree with delay and variation constraints.
首先给出了此类问题的网络模型及其数学描述，然后提出了基于Hopfield神经网络的组播路由优化算法。 - The gradual optimal mathematical programming series model is applied to rational management of forest kind, tree species and age class in forest farm.
用逐级优化的数学规划序列模型解决林场合理经营中林种、树种与龄级三级结构的优化问题。 - Then the experimental results are verified through mathematical analysis. The results show that relation between each factor and the length of water tree can be expressed in power function approximately;
并通过数学分析验证试验结果，结果表明：这4种因素与水树枝长度均近似成幂函数关系； - Meanwhile, the mathematical operators of fuzzy logic gates in fault tree analysis are derived according to the operation rule of the linear fuzzy number. Finally, the theory scheme of mechanical fuzzy reliability design is set up basically.
同时，根据模糊数学中线性模糊数的代数运算法则推导出故障树分析中各种模糊逻辑门算子的数学表达式，基本构建了机械模糊可靠性设计的理论框架。 - Secondly describes the methods and procedures of the establishment of fault tree, the mathematical representation of the fault tree and the method about qualitative and quantitative analysis of the fault tree.
其次阐述了故障树建立的方法和步骤、故障树的数学表示法、以及故障树的定性和定量分析方法。 - Constructed the system fault tree and its mathematical models, and qualitatively and quantitatively analyzed the fault tree, found out the key weak links affecting the system reliability, which provides a basis for the mechanism design and the physical prototype development.
建立了驱动单元结构故障树及其数学模型，对最小割集进行了定性和定量两方面分析，找出影响系统可靠性的关键薄弱环节，为机械结构设计及物理样机研制提供理论依据，奠定实用化基础。 - Mathematical models of tree growth condition under light and water are summarized in article to form the basis of growth model of tree. ( 3) It is the change of tree height during tree growth process to be simulated.
论文中总结了树木在光照和水分影响下树木生长的数学模型，为树木生长模型的建立打下基础。（3）论文中对树木生长过程中树高生物量的变化过程进行模拟。 - The method is ACO that is one of Mathematical Program, in which time constraints is guaranteed based on defining the possibility break up set, waiting set and choice set to mapping dynamic wagon-flow allocating onto scheme tree.
该算法是一种利用数学规划思想的ACO算法，通过定义不确定条件下的可解集合、待解集合和选解集合将动态配流问题映射为方案树，保证了时间约束条件。 - Power quality disturbance signals used for testing are all kinds of simulation examples containing random parameters, and their mathematical models meet the IEEE standard, so that the effectiveness of this method can be tested comprehensively. The process of the decision tree is clear.
用于测试的电能质量扰动事件是受控参数随机产生的仿真算例，其数学模型均符合IEEE标准，可较全面的测试分类方法的有效性。