实验结果表明，使用本文方法能更准确的预测参数数值，这为更准确的进行软件衰退预测提供了有力依据。

Through analyzing of the result of the experiment, we get more accurate value. This provides a strong basis for software aging forecasting.

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写出当经济衰退时，下降的两个宏观经济参数，上升的一个宏观经济参数。

Name two macroeconomic variables that decline when the economy goes into a recession. Name one macroeconomic variable that rises during a recession.

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通过对试验数据的非线性拟合，提出了表征两种沥青发泡性能的衰退方程，其参数有明确的物理意义。

We introduced the way of nonlinear curve fitting to analyzing the experiment data by the Origin software.

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