In truth, their success stems from a combination of factors: They both raise the level of abstraction and automate the transformation of information representation from higher to lower levels.
实际上，它们的成功源于一些因素的组合：它们都提高了抽象层次，并且将从较高到较低层次的信息表示的转换自动化。
As a DMS always returns the information in the same format (a data Graph), it hides the actual data storage and provides a level of abstraction between the SDO application and the EIS.
DMS总是以同一种格式(数据图)返回信息，它隐藏了实际的数据存储信息，在SDO应用程序和EIS之间提供了一层数据提取的功能。
Related to abstraction, the idea of leveling is to place information items into peer categories at the correct level in the hierarchy.
与抽象相关，校平的概念是将信息项放在层次结构中正确级别的对等分类中。
This is information that is not within the domain of the level of abstraction of the model content itself, but information that is necessary for an automated transformation to complete its tasks.
该信息不是模型内容本身的抽象级别领域内的信息，而是在自动的转换过程中所必须的信息。
It has the information at just the right level of abstraction — How is a server different?
它具有的概括信息正适合您的工作需要服务器有什么不同？
It has the information at just the right level of abstraction — How is a server different?
它具有的概括信息正适合您的工作需要服务器有什么不同？
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