如果您想要在应用程序将要支持的所有体系结构上保持通用的起始地址，那么在确定那个地址之前必须考虑所有的体系结构。

You have to consider all architectures before deciding on the addresses if you want to keep the starting addresses common for all the architectures that are going to be supported by the application.

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首先，它们在不同的体系结构上运行。

First is the architecture they run on.

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在服务集成总线上定义外部总线实际上是在体系结构级定义两个总线之间的链接。

Defining a foreign bus on a service integration bus simply defines a link between the two buses at an architectural level.

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