The instance model for airplane assembly order is constructed;

构建飞机的装配指令实例模型。

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Finally, this paper gives the analysis and optimization for the instance model;

最后，论文对实例模型进行了分析和优化。

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An workflow process model was proposed with relative workflow instance model and change model. A new transferring policy was also presented.

提出了一种支持演进变化的工作流过程模型及相关的实例模型和修改模型，并在此基础上提出了一种新的迁移策略。

youdao

An workflow process model was proposed with relative workflow instance model and change model. A new transferring policy was also presented.

提出了一种支持演进变化的工作流过程模型及相关的实例模型和修改模型，并在此基础上提出了一种新的迁移策略。

youdao