Then, proposing the view of data abstraction is used for building the hierarchical models.
在数据中心的建立过程中，数据抽取是必不可少的，最重要的环节。
The group of hierarchical models can be applied for analyzing the feature of the production system of agriculture-stock.
基于这套模型可以对农牧业生产的诸多特征进行较为全面的分析。
Experimental results show that three of the hierarchical models outperform the traditional "flat" model in terms of tree loss values.
试验结果表明三种层次化模型在树损失的评价指标下比传统的“平面”模型有提高。
With additional work, however, the bottom-up approach can support hierarchical data models and, therefore, should not be automatically dismissed.
然而，通过额外的工作可以使自底向上的开发方法支持层次数据模型，因而不会被自动淘汰掉。
They address modeling of data flow, representation of events and triggers, correct termination of a process, and reuse of activities in hierarchical process models.
它们涉及如何建立数据流模型，如何表示事件和触发器，如何正确终止流程以及如何在分层流程模型中重用活动。
Scenario 6: Reuse of activities in hierarchical process models
场景6：在分层流程模型中重用活动
Having analyzed the general hierarchical content models of image and MPEG-7 MDS multimedia description scheme, this paper sets up a specific based-on image content hierarchical description scheme.
本文在分析了一般的层次化图像内容模型和MPEG - 7MDS多媒体描述模式后，建立了一种具体的基于内容的图像层次化描述模式。
This model is normally more difficult for programmers to work with and is harder to maintain than the hierarchical and network models.
这种模式一般是比较难的程序员一起工作，是难以维持较层次和网络模型。
Through the hierarchical research of workflow process model, it is put forward three levels of workflow process models: meta model level, model level and control model level.
对工作流过程模型进行分层研究，提出了三层架构的工作流过程模型：元模型层、模型层和控制模型层。
Therefore, the negative effects are the powerful supportive verification for hierarchical network models of memory.
因此，否定效应是支持记忆的层次网络模型的有力证据。
The corresponding relationships of variable parameter between different hierarchical parameter models and the top-down hierarchical diagnosis strategy were utilized to fault diagnosis.
利用不同层次的参数模型参数值序列之间的变化关系并采用由上至下的分层诊断策略进行故障诊断。
But it is difficulty to expand the existing hierarchical network models and algorithms for finding optimal path problems in the stochastic and time-dependent network.
但是现有的层次网络模型和最优路径算法难以扩展到时变、随机网路中，为此本文提出了网络树模型和最优路径算法。
A hierarchical MAS model is set up in this paper. Then we described the model by four models: organization model, function model, BDI model, and communication model.
建立了多智能体系统的层次模型，并分别从组织模型、功能模型、BDI模型和通信模型四个不同的方面设计了该模型的具体构造。
To solve such problem as too many models and long computing time, a hierarchical multiple model adaptive decoupling controller is designed.
针对多模型控制方法中模型数目巨大，计算时间长等问题，提出了分层递阶结构多模型自适应前馈解耦控制器。
Data fusion models include fusion method and architecture. The centralized distributed hybrid and hierarchical fusion architectures are described, and some comparison are made between them.
数据融合模型包括融合的方法和结构，文章介绍了集成式、分布式和混合式融合结构，并对它们进行了比较。
The classification and the description of the assembly features are researched and the feature models of the parts are built in CAXA, and the parts are assembled to hierarchical assembly model.
研究了装配特征的分类及装配特征的描述，在CAXA实体设计中进行零件的特征建模，并将这些零件装配成具有层次关系的装配设计模型。
Using parametric variational principle and hierarchical method, the generalized constitutive models can be solved.
借助于参变量变分原理和分级方法，具有广义本构关系单元的结构可以得解。
And through HIPO diagram, the hierarchical structure and scheduling relationship of all models in the system from the macro and micro aspects are described.
并通过系统的HIPO图从宏观和微观两方面描述了待实现的系统各模块之间的层次结构和调用关系。
And through HIPO diagram, the hierarchical structure and scheduling relationship of all models in the system from the macro and micro aspects are described.
并通过系统的HIPO图从宏观和微观两方面描述了待实现的系统各模块之间的层次结构和调用关系。
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