Examples show that computerized automatic test paper formation can be realized and the consistence of selecting test questions can be guaranteed.

实例表明，计算机自动抽题组卷可以实现，且保证了同一选题要求下选题的一致性。

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A ideal exam-paper formation algorithm of a no-paper examination system automatically makes a exam-paper to meet pre-demands of exam-grade distribution and exam-time.

无纸考试系统理想的组卷方式是根据试题得分概率和答题时间概率分布自动组卷，使所组卷子的预期考试成绩和答题时间数学期望和方差符合要求。

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According to the optical performance of appearance quality of paper, the detection of paper formation have been explored by using computer vision and some methods of image process.

根据纸张表面质量的光学性能，运用计算机视觉和图象处理的一些基本知识，对纸张匀度的检测方法进行研究和探索。

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For example, he mentions a scientific paper that suggests that lichens, bacteria and the like may have been a driving force behind prehistoric geology and the formation of continents.

ECONOMIST: An Australian scientist explores where we are now