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This includes identifying and understanding the information semantics, such as the meaning of the data model elements as well as structural information.

这包括确定和了解信息语义，如数据模型元素的含义以及结构信息等。

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The modified date has no real meaning for a contact in the real world, but is a function of how the model is used, tracked, and persisted in the system.

在真实世界里，对一个联系人来说“最近修改时间”可能没有什么真正的意义，而只是一个模型在系统中怎样被使用、跟踪、持久化的功能而已。

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The detective said the silver car was a mark four model, meaning it was made between 1998 and 2005.

BBC: Leeds 'hit-and-run' leaves brother and sister critical

But according to Tadashi Yamazaki, one of the scientists who worked on the project, the baseball-playing robot is the second largest model of its kind and it runs in real time, meaning its much faster than other systems.

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The President of Poland Mr. Bronislaw Komorowski recalled the meaning and importance of the European project, an attractive model for millions of people worldwide.

UNESCO: MEDIA SERVICES