1. Business Policies and Rules are peerentities which can be derived and used together to implement Business Policy Directives.
业务策略和规则是对等实体，它们可以一起派生和用来实现业务策略指令。
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2. Peer to peer trust model is used in the authorization system, and the trust relationship among entities in grid environment is assessed with trust degree.
系统采用平等信任模型，通过信任度评估网格实体之间的信任关系。
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3. Peer to peer trust model is used in the authorization system, and the trust relationship among entities in grid environment is assessed with trust degree.
