集群中所有节点对数据的并发访问，以及某些分布式文件系统所内置的高可用性，是它们成为集群环境理想选择的两方面原因。

Concurrent access to data from all nodes in a cluster and the high availability built into some distributed file systems are a couple of reasons why they are ideal for a cluster environment.

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DB 2包含一组内置集群服务，它使您能够为两个服务器建立高可用性集群，甚至自动化HADR解决方案的故障转移。

DB2 includes a set of built-in clustering services that give you the ability to cluster together two servers for high availability and even automate the fail-over of an HADR solution.

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Scopus内置的软件就因为谨慎而犯错：它只在高信度的情况下标记两篇文章作者为同一人。

The software in Scopus errs on the side of caution; it only assigns two papers to the same person if it has a high degree of confidence.

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