All the simulations are extensively tested for usability and educational effectiveness, and a rating system is used to indicate what level of testing they have received.

所有模拟的可用性和教育效用都得到广泛的测试，并运用评级系统来显示所达到的测试水平。

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Through factor analysis, cluster analysis and so on, the paper establishes an internal rating model. The effectiveness of the model is tested.

论文利用贷款历史数据，通过因子分析、聚类分析等方法构建内部信用评级模型，并对模型的有效性进行了检验。

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The effectiveness and predictability of mutual fund rating system can be tested by the empirical research for the persistence of fund performance.

通过持续性实证研究可以检验基金评级体系的有效性和可预测性。

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This site provides information on programs that have been assessed for effectiveness using the Program Assessment Rating Tool, commonly referred to as the PART.

WHITEHOUSE: Testimony of Director Portman

It is similar to the PUE rating (Power Use Effectiveness) developed by The Green Grid a few years ago, but it arguably is more targeted toward measuring power consumption and actual operations.

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