The Entity Framework also includes a powerful mapping engine that allows developers to map the EDM schema to a relational database for actual storage.

NET实体框架还提供了一个强大的映射机制，让开发者能够很容易 地将EDM架构和实际的关系型数据库映射起来。

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You can write separate code that loads the relevant EMF resources and invokes the mapping engine on the model objects, but in this example everything is done for you in a transparent way.

你可以分开编写加载相关的EMF资源和对模型对象调用映射引擎的代码，但是在这个例子中所有任务的完成都是透明的。

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Furthermore, free and open source geospatial technologies are used for the database and the web mapping engine.

此外，自由和开源地理空间技术用于数据库和网络映射引擎。

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However, the UK-based Austrian team will need to make adjustments after ruling body the FIA deemed Red Bull's engine mapping to change the aerodynamics of the cars and therefore be illegal.

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Meanwhile, the feds' fuel-economy administrators are currently operating at a dead run trying to keep up with a host of new, highly digitized fuel-saving technologies, such as "Eco" throttle mapping and stop-start (the engine cuts out as the vehicle coasts or stops), which were practically invented to hack the EPA testing cycle.

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And opposite a particularly Heath Robinson piece of machinery, complete with foot-long levers and dials like the engine room of the Titanic, I spot an old circuit diagram on the wall, mapping out each of Britain's national newspapers.

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