虽然缓存尚未引入，但创建一个表也只花了115毫秒。

Even though caching hasn't been introduced yet, it took 115 milliseconds to create a table.

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改进的星型模式则在实际文档分析与关键词和类别之间引入一个桥接表(图8)。

The refined schema introduces a bridge table between the actual document analysis and the keywords with their categories (Figure 8).

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表 1 描述了被引入到 UML 2.0 中的支持 USBD （基于统一场景的设计）概念建模的扩展。

Table 1 describes the extensions introduced to the UML 2.0 to support modeling of the USBD concepts.

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