例如，作为管理员，您可以使用这个空间来创建快速备份，或对现有的数据进行压缩而无需为达到该目的使用辅助文件系统。

For example, as an administrator, you could use the space to create a quick backup, or to compress existing data without having to use a secondary file system for the purpose.

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霍尼韦尔提供电传飞控系统，惯性参考和空中数据系统，辅助动力装置，机轮刹车。

Honeywell Providing fly-by-wire flight control system, inertial reference and air data systems, auxiliary power unit, wheels and brakes.

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如 图 10 所示，这个模式扩展了其他模式，它允许用户更新主数据集和辅助数据集，或者创建在后端系统上的持久化新记录。

This pattern, shown in figure 10, extends the other patterns by enabling a user to update primary and secondary data sets or to create new records that are persisted on back-end systems.

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