时序数据是一种常见的数据类型，也是数据挖掘的重要研究内容。
Times series data is one of common data types and also the important research subject of data mining.
本专栏的前一期文章指出了一些常见的输入数据类型以及检查它们的方法。
The previous installment in this column identified some common input data types and how to check them.
对跨多个业务委派中的多个业务方法使用相同的数据类型作为参数，这是十分常见的。
It's quite common to have the same data type used as an argument to multiple business methods, across multiple business delegates.
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