Listing 2 is a sample data set.
清单2是一个数据集的例子。
Here for the SAMPLE database, the keyword is set under the data source section.
对于SAMPLE数据库，这个关键字是在datasource区段中设置的。
You can drill down into any sample period that you want while you view the full set of data.
在查看完整的数据集时，您可以具体查看所需的任何采样期的数据。
A new method is proposed for sample selection in large data set.
提出了一种大规模数据集的训练样本选择方法。
A new method is proposed for sample selection in large data set.
提出了一种大规模数据集的训练样本选择方法。
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