And then carry on deep research to Multi-source Spatial Data Translation model in semantic level and explain in detail to the definition, principle, organization of the model.

进而对基于语义异构空间数据转换模型进行了深入地研究，从模型的定义、原理、组织构成进行了详细地阐述。

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Then, a multi-level and multi-hierarchical blackboard model is brought forward, which can be applied to situation assessment of data fusion.

然后提出了一种用于数据融合中态势评估部分的分级多层黑板模型；

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Then, a multi-level and multi-hierarchical blackboard model is brought forward, which can be applied to situation assessment of data fusion.

然后提出了一种用于数据融合中态势评估部分的分级多层黑板模型；

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