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项约束
相关语句
  item constraints
     Mining Multiple-level Association Rules with Item Constraints in Distributed Database
     分布式数据库项约束多层关联规则挖掘
短句来源
     An algorithm based on FP-growth for mining association rules with item constraints from gene expression data called ICFP is developed.
     在FP-growth算法的基础上,提出了一种适合基因表达谱数据的项约束关联规则挖掘算法ICFP。
短句来源
     Firstly, according to the characteristics of distributed databases and item constraints, two algorithms for distributed mining association rules with item constraints called DMAIC and DAMICFP are developed. The DMAIC algorithm is based on Apriori algorithm and DAMICFP is based on FP-growth algorithm.
     针对分布式数据库和项约束条件的特点,本文首先提出了基于Apriori算法的DMAIC算法和基于频繁模式树的DAMICFP算法。
短句来源
     At the same time, the application of association rule mining with item constraints to bioinformatics are researched.
     本文同时研究了项约束关联规则挖掘技术在生物信息学中的应用。
短句来源
  “项约束”译为未确定词的双语例句
     After studying various constraints, a constraint-based cluster using function partition based on angle dissimilarity, a partition sowntown means with least outspread tree method, and the quantity of customer's sale was forecasted by Time-Series Analysis were presented.
     为实现对满足约束条件的聚类寻找适当的方法,作者在分析聚类约束条件的基础上,提出运用基于角度相异度的函数划分法处理地理位置的约束条件,用最小生成树聚类分析方法生成满足多项约束条件的聚类,用时间序列预测技术使客户销量约束条件趋于完善。
短句来源
     A integer program model for programme election with the constraints of programme risk,capital sources,human resources and project interrelation is given.
     对项目中的人力资源进行了简单量化,在此基础上考虑组合风险、资金、人力资源及项目间的相互关系等多项约束,运用整数规划方法构建项目组合优选模型。
短句来源
     With economic performance and environmental performance as the main objectives and macroeconomic, water supply and environmental capacity as constraint conditions, the model is built to evaluate water resources carrying capacity’s response to every scheme, thereby puts forward countermeasure.
     研究中,选取经济效益和环境效益作为优化目标,考虑宏观经济总量、供水量、环境容量等多项约束条件,建立了水资源承载力的多目标分析数学模型,通过对提高水资源承载力的各个方案的分析,考察天津的水资源承载力在现有条件下对于各种方案的响应程度,从而为提出对策提供依据。
短句来源
     However, the aero-engine is a complicated thermal machine, whose mathematical model and objective function are strong nonlinear, and subjected to many constrains in the control process.
     然而,航空发动机是一个高度复杂的热力机械系统,它的状态运动方程和目标函数都是强非线性的,而且控制过程中受多项约束作用,用常规的最优控制方法很难圆满的解决这个问题。
短句来源
     In order to explore the prediction system of abiogenetic CO 2 reservoir formation,the north Songliao Basin was chosen as the typical research area and six prediction principles and six restraint conditions were given out and discussed by the authors.
     为了探索无机成因CO2 成矿成藏的预测系统 ,选择松辽盆地北部为典型研究区 ,给定并探讨了CO2成矿成藏的六条预测原则和六项约束条件。
短句来源
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  相似匹配句对
     Multi-Constraint Based Frequent Itemsets Mining
     多约束下的频繁集挖掘
短句来源
     Application of Binding Terms in the Design of Digital Circuit
     约束在数字电路设计中的应用
短句来源
     (E)(m times)a.
     X(E)(m )a.
短句来源
     Punishment to the violation of thecontract are three kinds: fine, mortgage on the loan and law restrain.
     法律约束
短句来源
     THEORY OF CONSTRAINTS
     约束理论
短句来源
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  item constraints
Our proposed method uses item constraints and coincidence pruning to discover these rules in reasonable time.
      
We modify these twobasic algorithms to use axis attribute(s) and referenceattribute(s) as forms of item constraints to compute only therelevant patterns.
      
Current algorithms do not handle item constraints at all or require too detailed information on the structure of patterns.
      
In the thesis an algorithm using item constraints in the mining process will be presented.
      


This paper suggests one logical expression for schematic diagram of power system, and also optimum expression if any limiting conditions of minimum term are not to be applied repeatedly.The logical expressions for a power system may be applied to the logical analyses of operational types of a power system, but the optimum expression through logics-probability transformations may be then applied to probability calculation for reliability of a power system."Theorem of equivalent transformations for logics" and...

This paper suggests one logical expression for schematic diagram of power system, and also optimum expression if any limiting conditions of minimum term are not to be applied repeatedly.The logical expressions for a power system may be applied to the logical analyses of operational types of a power system, but the optimum expression through logics-probability transformations may be then applied to probability calculation for reliability of a power system."Theorem of equivalent transformations for logics" and "Rules for logics-probability transformations" in literature (1) is applied to analyze and calculate the probability problems in various systems of complicatedconstructions.Methods suggested for calculating the reliability concerning with power system by some foreign specialists are briefly discussed.

本文提出电力系统主结线的一种逻辑表达式,及其在不重覆使用最小项约束条件下的最佳表达式。 电力系统的逻辑表达式,可用于电力系统运行方式的逻辑分析;而最佳表达式经“逻辑—概率变换”后,则可用于电力系统可靠度的概率计算。 本文系文献(1)在电力系统工程中的具体应用。作者在该文中提出了“逻辑等效变换定理”及“逻辑—概率变换法则等”,从而便于分析和计算结构相当复杂的各种系统的可靠性问题。 本文还对国外一些学者关于电力系统可靠度的计算方法作了简要的评述。

Studies the optimization of desing parameters of cycloidal gearing,which takes the three main parameters as the design variables—the eccentricity a,the radius of the roller r_(rp)and the radius of pin r_(sp) —and they have major effects on the load—carrying ability of the cycloid drive,takes the largest rated torque borne by the whole drive as the objective function and includes 13 constraints,with the optimization on the given model of the cycloid drive,the load-carrying ability of the cycloid drive can greatly...

Studies the optimization of desing parameters of cycloidal gearing,which takes the three main parameters as the design variables—the eccentricity a,the radius of the roller r_(rp)and the radius of pin r_(sp) —and they have major effects on the load—carrying ability of the cycloid drive,takes the largest rated torque borne by the whole drive as the objective function and includes 13 constraints,with the optimization on the given model of the cycloid drive,the load-carrying ability of the cycloid drive can greatly rise.

本文完成了以影响摆线减速器承载能力的主要参数——偏心距 a ,针齿套半径 r_(rp)和针齿销半径 r_(p)为设计变量,整机承载能力最大为目标函数,并满足十三项约束条件的摆线针轮行星传动的参数优化工作,使摆线减速器在机型一定的条件下,整机承载能力有较大提高.

An automatic control system of aeroengine test has been designed,based on the method of model reference adaptive control with restraints.According to its simulation results,this method has good adaptability when the controlled member contains non-linear elements or the controller member varies in a large range.The simulation results also show that ,the controlled system still has satisfactory performance index by regulating the controller's parameters,even if the restraints are out of limits.

对采用模型参考自适应控制方法设计带有多项约束条件的航空发动机试车自动试车控制系统进行了研究。仿真结果表明:这种控制方法不仅对被控对象含有的非线性环节,以及被控对象参数在较大范围内的变化具有较好的适应能力。而且当约束条件超限时,通过对控制器参数的调整,可使主控参数和约束条件参数均满足相应的控制指标。

 
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