应用定制：在UI、业务逻辑和数据访问层，针对租户的元数据驱动的应用扩展。
Application customization: metadata driven application for tenant extensions at the UI, business logic and data access layers.
最值得注意的改进是扩展属性(或文件元数据)的引入。
Most notable improvement is introduction of extended attributes, or file metadata.
这种二元性也扩展到您可以访问数据的方式上。
This duality extends also to the way you can access the data.
代码详解—本部分详细解释源代码各部分如何相互配合，以便您可以针对其他类型的元数据和源轻松扩展它。
Code walkthrough-review the code with an explanation of how it all fits together so you can easily extend it for other types of metadata and sources.
对元数据的这种使用扩展了底层编程语言和编译器。
This use of metadata extends the underlying programming language and the compiler.
微格式允许用户在信息中混合各种类型的扩展内容，如日历信息、个人联系信息或者图片元数据。
Microformats allow users to mix in information about all sorts of extended concerns, such as calendar information, personal contact information, or picture metadata.
在下个月的专栏中，我们将在本示例的基础上加以扩展，让软件资源库具有内容管理的功能，并能够搜索生成的所有元数据。
In next month's column we will expand on this example to give our software repository the content management features and searching all of the metadata we are generating.
soa治理是IT治理的扩展，它特别关注组织的面向服务体系结构中的服务、元数据和复合应用程序的生命周期。
SOA governance is an extension of it governance that specifically focuses on the lifecycle of services, metadata, and composite applications in an organization's service Oriented Architecture.
这个框架是专利集成技术，它需要适配器开发者扩展并实现现有类及方法，组装成元数据驱动集成解决方法。
This framework is a proprietary integration technique that requires adapter developers to extend and implement existing classes and methods that assemble a metadata driven integration solution.
常见的一项技术是扩展查询语言，从而允许将元数据条件指定为查询字符串的一部分。
A common technique is to expand the query language to allow the metadata conditions to be specified as part of the query string.
在不同的系统之间转移文件时，文件名和扩展名常常是随着一起移动的唯一元数据。
When files are moved between heterogeneous systems, the name and the extension are often the only metadata that move with them.
资产数据包含基本资产信息，一个资产清单、已扩展元数据和资产内容(图3)。
The asset data contains basic asset information, an asset manifest, the extended metadata, and the asset content (Figure 3).
虽然元数据和数据两者都存储在对象存储集群，但两者分别管理，支持可扩展性。
Although both metadata and data are stored in the object storage cluster, they are managed separately to support scalability.
它以一种面向对象的方式提供访问资产清单的对象和方法，并提供对资产已扩展元数据的完全控制。
It provides objects and methods for accessing the asset manifest in an object-oriented style and offers full control on the extended metadata of the assets.
可由计算机处理的方法的概念应该从服务接口描述(如wsdl)扩展到所有其他形式的声明信息或元数据。
The concept of a machine readable approach should be expanded from the description of service interface, such as WSDL, to all other forms of declarative information or meta-data.
现在，让我们将目光投向客户端元数据，这种元数据用一些附加扩展映射CWM客户端模型。
For now, let's focus on client-side metadata, which mirrors the CWM client-side model with some additional extensions.
类似地，soa治理是IT治理的扩展，以组织的SOA中的服务、元数据和组合应用程序的生命周期为重点。
Similarly, SOA governance is an extension of it governance specifically focused on the life cycle of services, metadata, and composite applications in an organization's SOA.
开发者可以定义自己的扩展点，这些扩展点会创建新的客户化元数据标签。
Developers can define their own extension points and that in turn creates a new custom metadata tag.
这允许在外部维护扩展映射，并且只要有必要，就可以将新的映射版本导入到元数据库。
This allows for the extension mappings to be maintained externally, and whenever desired, the new version of the mappings can be imported into the metadata repository.
顺便说一下，在纯面向对象的语言中启用AOP是使用元数据进行语言扩展的一个例子。
Incidentally, enabling AOP within plain object-oriented languages is one example of using metadata for language extension.
元数据接口和XML：JOLAP 元数据接口是CWM的一个子集，包括针对特定于 JOLAP需求的扩展。
Metadata interfaces and XML: The JOLAP metadata interfaces are a subset of the CWM and include extensions for requirements specific to JOLAP.
HTTPAPI可以检索、创建和更新资产内容，但是不能操作资产的已扩展数据和系统元数据。
The HTTP API can retrieve, create, and update the content of the asset, but cannot manipulate the extended metadata of the asset and the system metadata.
针对新数据类型的数据模型扩展性，支持系统和用户所定义的元数据。
Data model extensibility for new data types, and support for system and user defined metadata.
如果需要标识特定类型的类或者增加类的元数据层信息，就必须使用UML扩展。
If you need to identify a special sort of class or add metalevel information to a class, then you must use UML extensions.
模型转换着重于根据在框架或插件中扩展类的应用程序元数据元素创建源代码。
A model transformation is focused on creating source code based on application metadata elements that extend classes in either the framework or a plug-in.
事件的扩展和MDM数据在rfidic元数据文件中定义。
The extensions for events and MDM data are defined in the RFIDIC meta data file.
其默认的元数据源是注解，但开发者可以通过XML描述符对其进行扩展。
The default metadata source for validations is annotations, but the developers can extend the meta-data through the use of XML descriptors.
XML不仅写起来麻烦，而且不容易扩展：随着应用程序的增长，定义了元数据的XML文件就会迅速膨胀。
Not only is XML a lot more cumbersome to write, but it also doesn't scale well: as your application grows, the XML file that defines your metadata can get bloated very quickly.
当然，通过将日志存储在索引节点中，ext3可以向文件系统添加必要的日志，而不需要对ext2元数据进行不兼容扩展。
Of course, by storing the journal in an inode, ext3 is able to add the needed journal to the filesystem without requiring incompatible extensions to the ext2 metadata.
事实上，Potomac使用元数据标签实现了整个扩展点机制。
In fact, Potomac USES metadata tags for its entire extension point mechanism.
应用推荐