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。

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.

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开发了离散元框架内的网格实体模型（SLM），模拟拆除爆破中结构倒塌的复杂动力学过程。

The SLM is developed to simulate the complicate dynamic process for structural collapse of demolishing blast in frame of DEM(Discrete Element Method).

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由于Employee对象是托管实体，因此更新某个对象也会自动在网格分区中更新该对象。

Because the Employee object is a managed entity, updating the object automatically updates it in the grid partition.

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