In this paper, by using the principal component analysis and optimal sorting method, we get a solution for the assessment of educational practise and then give the calculation of a example.

本文首先讨论了教育实习成绩评定中存在的一些问题，然后应用多元统计中的判别分析与最优分割方法，结合实例给出了进行优化的方法与途径。

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So, in most cases you will need a meaningful header, an optimal number of columns, pagination, alternating row colors, proper column alignment, sorting and filtering capabilities and much more.

因此，在大多数情况下，需要一个有意义的表头，最佳的列数、分页、交替行颜色、适当列对齐、排序和过滤功能等等。

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A sub -optimal method is given which requires only a sorting operation.

给出了一种只需排序操作就可以实现次最优交织器的设计方法。

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