value of relational expression
常见例句
- Subsequently concrete relational expression of power generating set output and flow value will be obtained.
从而写出具体的机组出力和线路潮流值的关系表达式； - To do this, an XPath expression is used to identify the portion of the XML data, normally a specific XML text node, that returns each relational data value.
为此，需使用一个 XPath 表达式来识别由 XML 数据组成的部分，通常为一个特定的 XML 文本节点，它会返回所有关系数据值。 返回 value of relational expression