The difference of economical performances between a Shanghai diesel powered and a CNG powered bus is investigated by using life cycle cost assessment method (prices in 2003).
利用生命周期成本评估方法对上海市柴油和CNG公交车的经济性能进行了评价（2003年价格）。
Life cycle assessment was used to evaluate the performances of product, and linear scale and analytic hierarchy process were applied to establish the model for product life cycle assessment.
运用全生命周期分析方法对产品的性能进行分析，采用线性标度法和层次分析法建立产品全生命周期评价模型。
Results Taking a clinical example to demonstrate a more effective performance assessment method of qualitative tests by comparing performances.
结果以实例的方式将新方法、原方法的检测结果和诊断结果进行比较，得出性能较好的定性检测方法。
The array of performances in the knowledge sphere being tested ought to be sufficiently covered in order to guarantee authenticity of assessment.
被测试的一系列表现在知识领域应该足够覆盖为保证真实性的评估。
The array of performances in the knowledge sphere being tested ought to be sufficiently covered in order to guarantee authenticity of assessment.
被测试的一系列表现在知识领域应该足够覆盖为保证真实性的评估。
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