分布式操作系统形式化系统模型DOSFS主要由文法DOSFSG和语义DOSFSS两部分组成。

Distributed Operating System Formal System Model (DOSFS) consists of the grammar DOSFSG and the semantics DOSFSS.

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RDF是一个具有Web XML序列化的元数据系统，即用于描述Web资源形式化陈述集合的模型。

RDF is a metadata system with an XML serialization for the Web, a model for describing collections of formalized statements about a Web resource.

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这一论断很重要，模型不是系统本身，而是系统的形式化 表示。

This statement is crucial; the model is not the system itself but a formalized representation of the system.

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