定义一个数据类型的两个属性是什么？
对于复杂数据类型来说，仅有公共属性才是可用的。
Only the public properties are available for a complex data type.
公开的所有属性或操作都必须具有与之关联的数据类型。
Each property or action exposed must have a data type associated with it.
属性名称有大小写的区别，且数据类型应为整数。
The attribute name is case-sensitive, and its data type should be an integer.
数据模型属性中的每个元素都需要指定给它的数据类型。
Each element in our data model properties needs a data type assigned to it.
定制元数据来自文档类型的属性表。
Custom metadata comes from the property sheet of the document type.
属性类型可以让系统知道字段的数据类型。
The property type lets the system know the data type of the field.
逻辑数据模型中的属性被指定一个物理数据类型。
Attributes in the logical data model are assigned a physical data type.
如果将数据类型指定给对象，则会定义对象的四个属性。
Assigning a data type to an object defines four attributes of the object.
哪些属性可用取决于字段的数据类型。
Which properties are available depends on a field′s data type.
属性，该属性的值为基数据类型的限定名。
Base attribute, whose value is the qualified name of the base data type.
将属性设置为对该列的数据类型有效的任何自定义值。
Set the property to any custom value valid for that column's data type.
的数据的属性可以包含的类型取决于其数据类型。
The type of data that an attribute can contain is determined by its data type.
的数据的属性可以包含的类型取决于其数据类型。
The type of data that an attribute can contain is determined by its data type.
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