本文详细讨论了域数据模型的形式化表达和抽象结构。
We firstly talk about what is domain and data model, and define their use range.
解决了与可再生能源发电有关的知识的形式化表达问题。
The problem of knowledge formal expression of the renewable energy power was resolved.
引入进化超图网络对全生命周期中产品过程信息进行形式化表达。
Evolution hypergraph net was introduced to formalize product process information for life cycle.
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