在概念上采用与平台无关的模型描述资源，以确保其可装配性和交互性；

For assembly and collaboration of the resource, a Platform Independent Model (PIM) was adopted to describe simulation resource at conception level;

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首先，介绍了一种新型的XML概念模型——XUML，它是一种与平台无关的模型。

First, a new conceptual model of XML, named XUML, is introduced, which is a platform independent model.

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保持模型与实现细节无关可以使得处理底层平台技术及其技术架构中的变更成为更容易的事情。

Keeping the models free of implementation detail makes it easier to handle changes in the underlying platform technology and its technical architecture.

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