从测试结果可以看出，该中间件可以有效地屏蔽网格计算环境的底层复杂性，并提高运行性能。

The results show that the middleware we developed can mask underlayer complexity and help users to improve the performance of their programs.

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但是在网格计算环境中，分布协同工作的邻近主机需要多次拷贝远程文件，存在着重复操作的问题。

But In grid computing environment, remote files need to be multi-times duplicated among the adjacent hosts which cooperate distributedly, and that causes the iterant operation problem.

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分析了在网格计算环境中采用经济模型的优点，抽象了经济模型中的典型角色和它们之间的典型交互。

Analyzes the benefits of using economic models in grid computing, abstracts the type players and the type alternations between the players.

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