元表的键值称为事件；值（换而言之就是函数）称为元方法。
The keys of the metatable are called events; the values (in other words, the functions) are called metamethods.
函数 setmetatable()和getmetatable() 分别对对象的元表进行修改和查询。
The functions setmetatable() and getmetatable() modify and query an object's metatable, respectively.
函数String()接收一个字符串 string，将其封装到一个表（{value =sor ''}）中，并将元表 mt赋值给这个表。
The function String() takes a string, string, wraps it in a table ({value = s or ''}), and assigns the metatable mt to the table.
一个谓词名，后跟以括在圆括号中的一个变元表，称为原子公式。
A predicate name, followed by an argument list in parentheses, is called an atomic formula.
根据价格表，他们花了45元买门票。
According to the price list, they paid 45 yuan for the tickets.
有些人认为词汇表和分类法也属于元数据的范畴。
Some people consider glossary and taxonomy as metadata as well.
通过属性表定义元数据。
这个用户 id用于连接到QApply元数据表。
This userid is used to connect to the QApply metadata tables.
元数据表control-table 的创建过程是自动的。
The metadata table control-table creation processes are automated.
该提取请求包含关于选择的源数据库表的元数据。
The extract request contains the metadata about the selected source database tables.
需要把术语表数据填充到元数据存储库中以启用术语表集成。
The glossary data needs to be populated in the metadata repository to enable the glossary integration.
AD包含其他元数据，这些元数据关于表之间的关系和依赖性、其他表的信息和隐私屏蔽信息。
The AD contains additional metadata about the relationships and dependencies between these tables, information about other tables, and privacy masking information.
您将看到一个三元素表 {Target,Type,Value}，该表确定了消息中设置了哪些元素以及这些元素的值。
You'll see a table of {Target, Type, Value} triples that determine what elements in the message get set and to what value.
交易过程很快，我付了35元钱后就拿着表离开了。
The transaction went quickly; I offered 35 yuan and left with the watch.
创建“现有表”时，首先会创建一个代理表，然后检索和存储远程表中的元数据，并将该元数据放入到这个代理表中。
Creating an "existing table" creates a proxy table, then retrieves and stores metadata from a remote table and places the metadata into the proxy table.
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.
表4：rup元模型的分等级表示。
使用SQL从一组标准系统表查询元数据的功能
The ability to use SQL to query metadata from a standard set of system tables
默认情况下，该类为空，因为Rails将根据来自数据库的表元数据推断该类的属性。
The class is empty by default, as Rails infers the attributes of the class based on table metadata from the database.
使用Ruby反射和元编程的组合，表的列可以变成对象的属性。
Using a combination of Ruby reflection and metaprogramming, the columns of the table become properties of the object.
PODS4上传过程并不在18个表中存储元数据，而是使用xml类型的DB 2列保存元数据，只需对四个表执行INSERT。
Instead of storing metadata across 18 tables, the PODS4 upload process saves it using DB2 columns of type XML and does an INSERT query into four tables.
清单1代表Trails视图的元数据。
DB 2TPOX数据库已经包含源和目标表，因此您需要将关于这些表的元数据导入到DataStage。
The DB2 TPOX database already contains source and target tables, so you need to import metadata about these tables into DataStage.
这个表空间用来容纳 ADMIN_COPY_SCHEMA过程所使用的元数据以及这个过程返回的错误表。
This table space is used to hold metadata used by the ADMIN_COPY_SCHEMA procedure as well as error tables returned by this procedure.
关键词搜索可在不同的参数(比如文档类型、类别、用户和通过属性表定义的定制元数据)上执行。
The keyword search can be executed on different parameters such as document type, categories, user, and custom metadata defined through the property sheet.
如何在注册表内部和外部定义和管理服务元数据？
How is service metadata defined and managed within and outside of the registry?
根据更好的元数据定义减少返回数据(使用外部表)。
Reduction of return data based on better definition of metadata (using External tables).
除了使用查询表提取额外元数据之外，还可以使用其他技术让表单与其他用户界面开发标准保持一致。
In addition to using lookup tables to extract additional metadata, other techniques can be used to make the form consistent with other user interface development standards.
例如，“数据词典”和“数据模型”与元数据相关；而词汇表、控制词汇和分类法则与数据实例相关。
For example, "data dictionary" and "data model" are related to the metadata; whereas glossary, controlled vocabulary and taxonomy concern the data instances.
例如，“数据词典”和“数据模型”与元数据相关；而词汇表、控制词汇和分类法则与数据实例相关。
For example, "data dictionary" and "data model" are related to the metadata; whereas glossary, controlled vocabulary and taxonomy concern the data instances.
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