求翻译：基于GridSim仿真平台使用Java语言实现云资源双向多属性拍卖机制，并对拍卖机制所需要实现的功能以及拍卖机制的性能进行测试和评价。是什么意思？

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Based on the emulation platform GridSim Java language resources for the cloud bi-directional multi-property auction mechanism, and the need for auction mechanism for auction mechanism, as well as the function of the performance test and evaluation.

Uses the Java language realization cloud resources bidirectional multiattribute auction mechanism based on the GridSim simulation platform, and to auctions the function as well as the auction mechanism performance which the mechanism needs to realize carries on the test and the appraisal.

Cloud resources based on simulation platform using the Java language GridSim bi-directional property auction and auction mechanisms needed to achieve the performance test and evaluation of the functions and auction mechanisms.

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