It provides powerful and flexible transaction support, and handles security, data integrity, and resource scheduling.

它提供强大且灵活的事务支持，可以处理安全、数据完整和资源调度。

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The encoding rules are very flexible and support the representation of data graphs and polymorphism.

编码规则非常灵活并支持图形数据和多态的表示。

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XML offers flexible support for loosely structured and hierarchical data, but it also comes with inevitable performance problems.

XML 对松耦合、结构化、层次化的数据提供了灵活的支持，但是它同时也带来了不可避免的性能问题。

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Users can backup multiple computers, have flexible scheduling options, can access their data from anywhere and share files and folders, with support for over 400 different file types.

ENGADGET: Clickfree gone wild at CES: 1TB drive, Mac support and online backup