这些样式表的输出是资源描述框架(RDF)三元组，可以用功能丰富的RDF工具集处理。

The output from these stylesheets are Resource Description Framework (RDF) triples that you can process with the underutilized RDF toolset.

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针对管网模型中雅克比矩阵高稀疏性的特点，采用三元组顺序表只对矩阵中的非零元素进行存储，提高了程序的存储和计算效率。

Triple table is used to only store non-zero matrix elements to improve the program's efficiency of storage and computation because simulation model's Jacobian matrix is serious sparse.

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其次，根据自定义规则抽取出了特征句子中的三元组，表示成本体，同样分别存放在数据库的另外两个表中。

Second extracts the triples of the characteristic sentences according to custom rules and expresses them by Ontology, also respectively stored in two database tables.

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