首先,我们不能选择抽取的对象,如果我们有选择的话我将承认但我并没有这个机会.如果我们真的选到了它们,我们将不能比上次在欧冠做的更差.我们只能做的更好.

If we do get them, we cannot do worse than we did in the championship. We can only do better.

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可以选择再次运行抽取，或者将该文件作为报告的源。

You can then choose to run the extract again or use that file as the source for your reports.

youdao

特征选择和特征抽取是维数约简常用的两种方法。

Feature selection and feature extraction are common methods for dimensionality reduction.

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