尝试在RationalSoftwareArchitect 中使用责任链设计模式为该情境建模。
Try modeling this scenario using the Chain of Responsibility Design Pattern in Rational Software Architect.
然而，为传递一个消息给它本身的对象建模，在一些情境中可能是有用的。
However, modeling an object sending a message to itself can be useful in some cases.
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.
鉴于此，应该在数学建模教学中有效地应用建构主义学习理论，特别是情境性学习理论和合作学习理论。
Thus, constructivist learning theory should be employed effectively in mathematics teaching, especially the contextual learning theory and cooperative learning theory.
学习者需要了解他们学习的思维技能是什么，这些技能需要被清晰的建模，并在不同的情境中得到再应用。
Learners need to know what the thinking skills are that they are learning and these need to be explicitly modelled, drawn out and re-applied in different contexts.
学习者需要了解他们学习的思维技能是什么，这些技能需要被清晰的建模，并在不同的情境中得到再应用。
Learners need to know what the thinking skills are that they are learning and these need to be explicitly modelled, drawn out and re-applied in different contexts.
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