This metadata is obtained from and synchronized with SAP regularly by use of the metadata service.
可以通过使用元数据服务，定期从SAP获取元数据，或者将元数据与 SAP 同步。
Since we implement no metadata service in this example, the method returns an array with length 0 (returning null would have indicated an error).
由于我们在这一示例中没有实现任何元数据服务，所以该方法返回一个长度为0的数组(返回null将表明有错误)。
The MetadataServlet works the same way but has an optional argument that the metadata service implementation can use as a hint to retrieve the metadata.
MetadataServlet也是这样工作，但是有一个可选的参数，可以被元数据服务实现做为提取元数据的一个提示。
Metadata - The org.springframework.roo.metadata module provides a metadata service provider interface and implementation that includes dependency registration and caching.
metadata—org. springframework . roo . metadata模块提供元数据服务提供程序接口和实现，包括依赖项注册和缓存。
The analysis results illustrate that such method enhances reliability of metadata service in great measure.
分析表明，该方法很大程度上提高了元数据服务的可靠性。
In the large-scale distributed object-based storage system, the metadata service system is a latent visit bottleneck.
在大型分布式对象存储系统中，元数据服务系统是一个潜在的访问瓶颈。
The system has three components: the Authority Service, the data Service, and the Metadata Service.
系统由三个组件构成：中心服务、数据服务和元数据服务。
Metadata service is one of the critical issues in the research of the database access and integration on the Grid.
元数据服务是研究网格环境下数据库系统集成和访问技术所面临的关键问题之一。
Metadata service implemented the MOF based metadata management and storage of heterogeneous data through the research of MOF criterion.
元数据服务主要是通过对MOF规范的研究实现了基于MOF的异构数据元数据的管理和存储。
SimpleResolutionService provides a further abstraction for the common use case in which the Metadata Service and data Service are hosted together with the Authority Service.
SimpleResolutionService为通用的用例提供了进一步的抽象，在这类用例中，元数据服务和数据服务与中心服务共存。
SimpleResolutionService provides a further abstraction for the common use case in which the Metadata Service and data Service are hosted together with the Authority Service.
SimpleResolutionService为通用的用例提供了进一步的抽象，在这类用例中，元数据服务和数据服务与中心服务共存。
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