结构数据类型 meaning in English
structure data type
structured data type
Examples
- There is no automatic conversion to or from any structure data type
其他数据类型与任何结构数据类型之间不会进行任何自动转换。 - Structure data types have no literal type character or identifier type character
结构数据类型没有文本类型字符或标识符类型字符。 - The default value of a structure data type consists of the combination of the default values of each of its members
结构数据类型的默认值由它的每个成员的默认值组合而成。 - Define and use a structure data type when you need to combine various data types into a single unit , or when none of the elementary data types serve your needs
当您需要将不同的数据类型组合为一个单元时，或者当所有基本数据类型都无法满足您的需求时，可以定义和使用结构数据类型。 - 3 . schemas for semistructured data differ , however , from those for relational or object - oriented data . therefore , typing system and schema formalisms for xml - based semistructured data are extensively studied , and the algorithms both for computing type classification with maximal fixpoints semantics and maximal simulation are proposed , respectively
三、对半结构数据的类型及模式的描述形式进行了研究，并分别给出了使用最大不动点语义计算半结构数据类型划分的算法思想和最大仿真( simulation )计算方法的思想。