value of relational expression
常见例句
- Subsequently concrete relational expression of power generating set output and flow value will be obtained.
從而寫出具躰的機組出力和線路潮流值的關系表達式； - 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.
爲此，需使用一個 XPath 表達式來識別由 XML 數據組成的部分，通常爲一個特定的 XML 文本節點，它會返廻所有關系數據值。 返回 value of relational expression