Human intervention, however, does apply to ensure the selected sample points will adequately cover all classes.

然而，我们也适当地进行了人为干预，以便保证选取的取样点能充分覆盖各个类型。

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We argue that for each selected sample, only some effective labels need to be annotated while others can be inferred by exploring the label correlations.

我们认为，对于每个选出的样本，仅仅其中的一些有效类别需要被标注，而其它的类别可以通过类别之间的关系推断出来。

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Finally, the comparison of the statistical population density and the actual population density of the selected sample counties proves the higher precision of the results.

最后选取某些样本县，在样本县内对比每个乡镇图上的人口与实际统计人口，结果表明该人口分布数据有较高的精度。

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The online survey, by Nationwide Financial, questioned a small, self-selected sample of advisers, so the results may not be representative.

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However, two-thirds of this self-selected sample were men, many of them in white-collar jobs: just the sort of chaps most likely to have a third party of their own tucked away somewhere.

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