The article confirms learning curve exists not only in the average bad rate, but also in the average man-hour, but the former progress rate is much larger than the latter.

文章不仅证实了在累计平均不良率上存在着学习效应，还证实了累计平均工时也存在着学习效应，但是前者的进步率要远大于后者。

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Schools now receive an academic progress rate, or APR, from the National Collegiate Athletic Association.

学校现在从国家大学运动协会获得一个学术进步比率，即apr。

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Progress rate measurement system of an EPC project is essential to improve the management level of the EPC project.

EPC项目进度测量系统是提高EPC项目管理水平的重要基础工作。

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The Academic Progress Rate standard currently is at 925, and the talk was to increase it to 930.

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But these data do also suggest that national results might over-estimate the rate of progress.

BBC: graph of results trend

Ms Lucas says she doesn't get depressed about the slow rate of progress but "impatient".

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