查询词典 Model

Because the normalization rules of monoid algebra system can reduce the size of query spaces effectively and BSP model is an accurate predicable performance model, two-phase parallel query optimization model is proposed. For the increasing of large and complicated data applications, the parallel implementation technologies of large objects are investigated too.

对互联水火系统短期交换计划与调度，提出的分解式逐次寻优搜索法，解决了含有复杂梯级电站和混合发电系统的多区域交换计划优化和水电调度问题，为多区域水火互联系统计划调度提供了一种有效的手段。

In the developing , we use the incremental model: Choose transaction systems; Collect requirement; Make sure the technology of end user layer; Create a data model; Develop data warehouse base on data model and requirement; Return to moodily transaction systems self; Create codes; Test; Train users .Then we start the next increment.

在系统开发过程方面，我们采取迭代的方式进行：选择业务系统；收集需求；确定合适的终端用户技术；建立一个数据模型；基于用户需求和业务数据模型，开发数据仓库、数据模型；从数据仓库，数据模型返回修改业务系统及数据集市本身；生成执行ETL和数据交互过程的代码；测试数据仓库；第一轮迭代投入生产、培训业务人员，并开始规划下一轮迭代。

The modeling theory and methods of structure model, facies model and property model are introduced in the paper, then their advantages and disadvantages are analyzed, and the new method, multiple point statistics, is mentioned here.

文中介绍了构造模型、相模型和属性参数模型常用的建模方法原理，分析其优缺点，并对多点统计的新方法进行了描述。

The modeling theory and methods of structure model ,facies model and property model are introduced in the paper,then their advantages and disadvantages are analyzed,and the new method,multiple point statistics,is menti.

文中介绍了构造模型、相模型和属性参数模型常用的建模方法原理，分析其优缺点，并对多点统计的新方法进行了描述。

This study besides the research construction, also utilizes "Spatial Model of Electoral Competition","Elite Decision-Making Model", and the "Simple Democratic Pattern" these three policies-making models to make another model of Taiwan pension policy subject to form and to deliver that explains the multiplicative process of Taiwan old age pension policy-making.

本研究除研究架构外，亦运用文中所述之「选举竞争空间模型」、「菁英决策模型」以及「简单民主模式」此三个政策决策模型，架构出另一台湾年金政策议题形成及产出之模式，藉以说明台湾地区老年年金政策决策过程之多元化。

Methods The global cerebral ischemia/reperfusion injury model was established by the four-vessel occlusion (4VO) method, and then the model animals sere given high-middle-and low-dose muscone. Meanwhile, sham-operation group, model group, and positive control group were also set up. The rats neuroethology behavior, and the contents of superoxide dismutase, malondialdehyde and excitatory amino acid in is-chemic brain tissue were examined.

取Wistar大鼠，采用四血管阻断(4VO)法制备全脑缺血再灌流损伤模型，将成模大鼠随机分为麝香酮高、中、低剂量组(3.6， 1.8， 0.9 mg/kg)，并设假手术组，模型组，阳性对照药尼莫地平组(10.8 mg/kg)，共6组，每组12只对大鼠神经行为学，缺血区脑组织超氧化物歧化酶，丙二醛含量，脑组织兴奋性氨基酸含量进行检测。

The first kind is 0-equation model. It only includes mass and momentum conservation equations. Great progresses have been made in improving this model. It has successfully been applied to many natural rivers with complicated boundary geometry. The second kind is κ-ε model. The κ equation and ε equation are needed, besides mass and momentum conservation equations. Many researchers have studied the depth-averaged mathematical models of turbulence in recent years. However, the models were used mostly in regular artificial canals or natural water areas with simple boundaries.

对于宽浅型河流，采用深度平均法进行流场计算时，用得较多的有两类模型：一类是不增加任何脉动量的偏微分方程的模型，这类模型已在适体坐标下运用得较多且较成功；另一类是κ-ε二方程模型，它是近几十年来广泛应用的一类湍流模型，并发展了许多具体的形式，但大多数只对顺直河道进行了研究，对弯曲较大的河道研究不多，本文运用适体坐标，采用正交交错网格及非正交交错网格，把此模型运用到了弯曲较大的河段及具有汇流的河段，取得了较大的成功。

RoMAS is designed based on the conceptual model, product model and process model, which supports a natural mapping from phisical world to computer world.

该方法支持从物理世界到计算机世界的自然建模，并且开发出相应的支持工具以便辅助开发人员进行系统分析、设计和实现。

We obtain the risk process involved in this model,the statistical properties of the surplus process,and statistical features of the claim numbers and the probability distribution of the total amount of compensation.The three types of business of the risk model is given when the number of claims obey Poisson distribution and negative binomial distribution.We make a comparison between the risk model built in the thesis and the classic risk models with independent claim numbers when the amount of claims obey Weillbull distribution and Exponential distribution.The results have a good practical significance.

其次，考虑不同险种间的相互关系，建立了一种含有主副理赔的风险分析模型；借助随机过程和经典风险理论，对该风险模型所涉及的风险过程、盈余过程的统计特性以及理赔总额的概率分布、数字特征和矩母函数进行解析研究，给出了主理赔次数服从泊松分布和负二项分布的这种风险模型的具体实例，并在理赔额变量服从Weillbul分布和Exponential分布的情况下，把文中所建风险模型和理赔次数相互独立的风险模型作了比较，所得结果有很好的现实意义。

For the lack of return data in the first stage, the GM(1,1) model improving the generation method of neighborhood system is adopted, and forecasting is carried out by only using a few data. When the data amount reaches 50, the hidden quantitative relationship between sale quantity and return quantity is established by performing the transfer function-noise model. Its parameters are determined through model identification, parameters estimation and diagnostic checking. Then, forecasting return is accomplished.

回收初期数据缺乏，采用改进邻域系生成方法的GM(1，1)模型，实现了少量数据情况下的预测；回收数据累积到50个后，利用传递函数噪声模型构建了回收量和前期销售量之间的内在数量关系式，然后通过模型识别、参数估计、诊断检验确定了关系式的具体参数，进而实现了回收预测。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。