当您对解决方案建模时，对约束的使用没有应该的频繁。
Constraints are not used as often as they should be when you model solutions. The reasons for this omission vary, but can include the following.
文中采用基于约束的知识库系统及遗传算法对钢铁企业生产的合同归并、轧钢计划、连铸计划、转炉计划进行数学建模，算法设计和实现。
The thesis adopts repository system based on restrict theory and genetic arithmetic, models, arithmetic design and implement for order merger, roll plan, cast plan, converter plan of steal enterprise.
情境模型统一对企业的内部资源约束和外部环境限制建模，扩展了一般企业模型的资源子模型。
Context model has uniformed the internal resources restraint and the external environment restraint of an enterprise, thus the common enterprise resources model is enriched.
对建模过程中有关目标函数确定、变量分析、约束条件等进行了讨论。
Confirmation of objective functions, variables analysis and constraint conditions during modeling were studied.
基于有限元分析方法，对运煤敞车的结构简化、单元选取、边界及约束处理等建模技术进行阐述。
The structure simplification of the open boxcar, choosing elements type, and disposing the boundary and restriction of the model are introduced.
对GDCN的建模技术进行分析后，提出了基于仿真分析和元模型技术的领域级约束建模的有效方法。
Then, the modeling method of GDCN was analyzed, and the effective modeling method of the domain constraints based on simulation and Meta modeling was presented.
韵律短语的长度约束模型是利用隐马尔科夫模型对语句中韵律短语的长度规划进行建模，这个模型对短语的长度分布及韵律词与韵律短语的关系进行了描述。
And an HMM is used to model the phrase-length constraints, which include the distributions of the prosodic phrase lengths and the prosodic word number in the prosodic phrase.
模糊时态工作流网可以对带有时间不确定性和时间约束的工作流模型中的时态信息进行建模，并对一些典型的时间约束进行时间可能性分析。
Then time modeling and time possibility analysis of temporal phenomena in FTWF-nets were studied. Finally, an example was given to illustrate the use oft…
模糊时态工作流网可以对带有时间不确定性和时间约束的工作流模型中的时态信息进行建模，并对一些典型的时间约束进行时间可能性分析。
Then time modeling and time possibility analysis of temporal phenomena in FTWF-nets were studied. Finally, an example was given to illustrate the use oft…
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