一个数据项类型可以表示一个值或一个取单值或多值的数组。
A data item type can represent a single value or an array of one or more values.
定义数据的最小单位。一个数据项类型可以表示一个值或一个取单值或多值的数组。
The smallest unit of defined data. A data item type can represent a single value or an array of one or more values.
Base是一个数据项的仓库，它的结构是由数据项类型(item type)定义的。
Base is a repository of data items, whose structure is defined by item types.
通过uname -Mu和uname- MuL命令，您可以添加其他的数据项，如计算机类型和计算机型号号码。
You can add other data items, such as machine type and machine model Numbers, as in the uname -mu and uname -mul commands.
在本例中，我们输入包含匹配数据项的单个冒号分隔行来填充PasswdEntry类型的输入参数user。
In this case, we entered a single colon delimited line with matching data items to populate the user input parameter of type PasswdEntry.
并且可以使用方括号操作符以相同的方式访问所有数据项，它支持将不同类型的有序数据项分段。
And you access all the items in the same way using the square bracket operator, which supports slicing different types of sequential items.
元组是复合的数据类型，用于存储数据项的集合。
Tuples are a composite data type and are used to store collections of items.
页面是集中于特定数据项或单一任务的单元，但通常我们工作所在的信息域包含若干数据类型以及复杂的多个任务。
A page is a good unit for focusing on a particular data item or a single task, but most often the information domains in which we work include several data types and have complex or multiple tasks.
包含数据项的属性基于字符串或整型等数据类型。
Properties that hold data items are based on data types such as a string or integer.
您会看到，创建可以拥有各种类型数据项（其中包括另一tuple）的 tuple是多么方便。
See how easy it is to create a tuple that can hold all kinds of items, including another tuple?
Python中的多数容器类型（其中包括tuple）允许您使用方括号操作符从集合中方便地访问数据项。
Most of the container types in Python, including the tuple, allow you to access items easily from the collection using the square bracket operators.
任何人都可以定义数据项的类型并提交数据项到库(base)中，以产生一个结构化数据的库，以便GoogleSearch能够找到并适当地表示这些数据。
Anyone can define item types and post items to base in order to provide a base of structured data, which might be found and appropriately presented by Google Search.
在Notes和传统的DominoWeb应用程序中，字段表示与应用程序相关的数据，并且每种Notes文档类型通常都有不同的数据项集合。
In Notes and traditional Domino Web applications, fields represent the data associated with an application, and each Notes document type typically has a different set of data items.
数据库目录包含每个文件的结构，每条数据项的类型和存储格式，以及针对数据的不同约束等信息。
Program-data independence:It is a property of database system that the structure of data file is stored in the DBMS catalog separately from the access programs.
数据库目录包含每个文件的结构，每条数据项的类型和存储格式，以及针对数据的不同约束等信息。
Program-data independence:It is a property of database system that the structure of data file is stored in the DBMS catalog separately from the access programs.
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