基于契约的原则成为了CBDI-SAE的中心，它所引入的规范概念与特性使其与其他元模型很不一样。
The contract-based principle has been central to CBDI-SAE with the introduction of the specification concept and a distinguishing feature from other meta-models.
与NMR内部建立联系的中心概念就是拦截器（Interceptor）。 拦截器是一段代码，这段代码在消息经过NMR进行消息交换时将其拦截下来并对这个 消息做一番动作。
The central concept of hooking into the NMR is the Interceptor, which is a piece of code that intercepts message exchanges as they go through the NMR and operates on them in some way.
从中心开始到周围的任何空间中，尽可能快的写下与主题相关的概念和术语。
Moving out from the center and filling in the open space any way you are driven to fill it, start to write down, fast, as many related concepts or terms as you can associate with the central topic.
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