模型完备性是衡量数据模型描述能力的一种重要特性。
Model completeness is an important characteristic by which the description power of data model is measured.
气候研究批评家们认为数据不完备,气候模型靠不住,预测不确定。
Critics of climate research argue the data are incomplete, the climate modelling uncertain, the predictions inconclusive.
有人怀疑用于判断航班是否禁飞的模型是基于粗略的数据和不完备的科学手段得出的。
Some suspected that the models used to justify the flight ban were based on sketchy data and incomplete science.
具体表现为运用线性完备变换方法,以贷款组合风险最小为目标函数,以贷款组合期望收益率为约束条件建立模型。
It represent in the model setup with the linear complete transfer and the minimum risk of loans portfolio as the target function and the constraint of earning yield risk value.
提出了一种基于粗集的缺省规则挖掘模型,以利于在信息不完备情况下进行推理和决策。
A rough set model to mine default rules was presented in order to reason and solve the decision question with incomplete information.
一种是科学报告方法,它采用科学报告的严谨格式,从九个方面完备、清晰地描述了概念模型;
One is scientific paper method which employs the standard structure of a science paper and tends to describe the conceptual model more completely and explicitly from nine aspects.
为实现具有工程化特征的数字成图生产工艺奠定完备的分类参数模型基础。
It also lays a complete foundation for classifying parameter model in order to realize digital mapping technology with engineering feature.
采用二维九速的格子气模型模拟热声振荡,建立了完备的多体碰撞规则,提供了粘性和热边界的处理方法。
A complete multi-particle collision rule was established, and a method for dealing with viscous and thermal boundary was provided in the present model.
从建立相应的数学模型入手,提出一种完备的表压缩方法。
Starting from setting up a corresponding mathematical model, a complete look-up table compression method is proposed.
将带广义量词Q的一阶逻辑的二值弱模型推广到取值于完备弱可补格上。
The two value weak model for first order logic with generalized quantifier Q is generalized to be valued in complete weak complemented lattices.
构造了不完备金融契约环境下,企业控制权对金融契约效率影响的博弈论模型。
In this paper a game model for the effect of corporation control on the financial contract efficiency under imperfect financial contract has been set up.
为了能够从不完备决策表(IDT)中进行知识发现和数据挖掘,提出一种新的具有对称性的双重可变精度限制容差关系粗集模型(VPLTRST)。
To obtain knowledge and data from incomplete decision table(IDT), the paper presents a new doubly variable precision limited tolerance rough set theory model(VPLTRST).
通过实例,说明了基于修正容差关系的扩充粗糙集模型对处理不完备信息系统更加简便有效。
By an example, it is verified that the extension of rough set based on modified tolerance relation is more convenient and effective than the previous extensions in practice.
针对指标体系信息不完备的特定问题,建立了基于粗糙集的指标体系空值处理模型。
Aiming at incomplete information of indicator system, this paper sets up null value dealing model of indicator system based on rough set.
火焰面数据库的建立是改进火焰面模型的重要一环,具体来说包括提高火焰燃烧状态数据的精确性和完备性,以及熄火极限的准确把握。
The building of flamelet database is very important a step in improving flamelet model. It includes improving the exactness and completeness of combustion states as well as extinction limit capturing.
通过在某市交通信息网格项目中的应用,表明该模型具有信息完备、结构清晰、简洁实用等优点。
The utilization of this data model in some city traffic information grid confirms its advantages of self-contained description, legible structure and practicability.
从系统逆模型补偿出发,基于神经网络提出一种更加完备的热敏电阻测温系统非线性校正方法。
Based on the property of the system inverse model, an integral approach to nonlinear compensation of temperature measuring system with thermistor based on neural network is presented.
引入了完备自动机作为定义命令分析器的一种抽象数学模型,并用该模型给出了命令分析器的形式化描述。
It also introduces perfect automata as an abstract mathematics model of defining the command analyzer. Besides, this paper gives formal description of the command analyzer of the model.
模型和算法的有效性和完备性在大型网络性能监测与分析系统NIPMAS中得到了实际验证。
And then the model is applied to a distributed network performance monitoring and on-line analysis system, NIPMAS.
本文以三轴数控加工中心为例,利用齐次矩阵建立了完备的数控加工中心的位置误差补偿模型。
A general error compensation model of position accuracy for computer numerical control (CNC) manufacturing center is set-up by using homogeneous matrix.
研究了光盘机械系统的径向动态特性,给出了描述该特性的完备数学模型。
After the radial dynamical characteristic of the optical disk system was analyzed, mathematical models for this characteristic of the optical disk system were proposed.
其次,设计了一个基于本文提出的基于相容关系的分配约简遗传算法的高校人事不完备信息系统的知识获取模型。
Secondly, a knowledge acquisition model for the incomplete information systems for the university personnel system on the basis of the tolerance relation assignment reduction using GA is designed.
为了解决信息不完备条件下的方案评估问题,提出了一个基于质量屋的模糊方案优选模型。
For solving the problem of schemes evaluation in the condition of incomplete information, a fuzzy schemes selection model based on HOQ is given.
针对经典粗糙集模型只能处理完备信息系统,将变精度粗糙集模型引入到不完备信息系统中。
In view of the classical rough sets model can only dispose the complete information system, a variable precision rough sets model is introduced to dispose the incomplete information system.
利用中介逻辑的完备性,本文证明了紧致性定理,即一理论有模型当且仅当其任一有穷子集有模型。
The compact theorem is proved, which states that theory T has model if and only if any finite subset of T has model.
采用层次分析法构建了一个较为完备的装配资源重构的评价体系模型。
A comprehensive evaluation model for assembling resource reconfiguration based on the hierarchy analysis was proposed.
通过实验研究与编程实现,得出了一种在掌上电脑上具有较好的完备性和适应性的矢量数据组织模型。
After some experiments and programming done, an adaptable and completable vector data structure model based on PDA is reached.
股市的运行是一个非常复杂的不完备的非线性过程,因此,需要用对不完备信息进行处理的非线性模型代替传统的统计模型,以便进一步提高股市预测的质量。
As a result, it is necessary to replace the traditional statistic model with nonlinear model that can deal with imperfective information in order to improve the quality of forecasting stock market.
股市的运行是一个非常复杂的不完备的非线性过程,因此,需要用对不完备信息进行处理的非线性模型代替传统的统计模型,以便进一步提高股市预测的质量。
As a result, it is necessary to replace the traditional statistic model with nonlinear model that can deal with imperfective information in order to improve the quality of forecasting stock market.
应用推荐