Using the concept of domain and the principle of template matching, the domain-relationship expression and its extension are developed to realize the semantic mapping from structured data to XML data.
利用域的概念和模板匹配的原理，引入域关系表达式及其扩展表达式来实现结构化数据到XML数据的语义映射。
On the basis of the expression of characteristic value of the differential equation, the relationship between the stable domain, steady state, steady-state error and AGC model parameters is discussed.
根据该差分方程的特征值表达式讨论了AGC模型设定序列的稳定区域和稳态误差与AGC模型参数之间的关系。
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