逻辑模型表达了信息的业务视图。
The logical model expresses the business view of information.
有时候，概念数据建模期间表达的关系（特别是多对多关系）在逻辑模型中被显示为实体本身。
Sometimes, relationships expressed during conceptual data modeling (in particular many-to-many relationships) are shown in the logical model as entities themselves.
服务分析模型中表达的结构是概念模型(或没有概念模型情况下的逻辑数据模型)中的结构的直接反映。
The structures expressed within the service analysis model are a direct reflection of those within the conceptual model (or logical data model where no conceptual model formally exists).
模型中考虑了电厂间相互关联，从而得到含有逻辑表达式的非线性整数规划模型。
The interrelation between the stations is included by the model which is a nonlinear integer programming with logical expression.
利用该模型对皮带机控制系统的设计进行了探讨，并得到符合控制要求的逻辑规则表达式。
Using this model the scheme of the control system of belt conveyors is discussed and the logic rule expression that meets control requirements is gained.
理论家喜欢概念和模型，能看到全局的全貌，能感觉到智力的伸展，结构和清晰的目标和思想的逻辑表达。
Theorists like concepts and models, to see the overall picture, to feel intellectually stretched, structure and clear objectives and a logical presentation of ideas.
建立模型是对认知表达式进行逻辑语义分析的前提，可能世界语义学为此提供了有效工具。
To establish a model is the precondition to the logical and semantic analysis of epistemic expressions and the theory of possible world semantics provides an effective tool for this.
第二，提出了利用描述逻辑表示的本体理论来表达用户需求的模型，该模型可以充分表达用户需求中的语义信息；
Secondly, in the paper a user's requirement model has been proposed using the ontology theory that presented by descriptive logic, the model adequately expresses the semantic information of users.
为表达这些规律，建立了微孔渗流参数关系的逻辑模型。
The relationship between the concerned parameters were studied and the logical relation model about these parameters was given.
建立模型是对认知表达式进行逻辑语义分析的前提，可能世界语义学为此提供了有效工具。
Modal logic is quite mature at its formal technique, but its possible world semantics has many difficult in philosophical interpretations.
建立模型是对认知表达式进行逻辑语义分析的前提，可能世界语义学为此提供了有效工具。
Modal logic is quite mature at its formal technique, but its possible world semantics has many difficult in philosophical interpretations.
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