However, before you can perform an analysis, you need to extract and pre-process this data.
然而，在您执行分析以前，您需要提取并预处理这些数据。
Your technical support mentioned you were working on a version that will perform an analysis on the entire database.
你们的技术支持提到过你正研发一个新版本，它会对整个数据库进行分析。
To perform an analysis of text in database tables, first explore the available information to select the relevant text columns for the analysis.
要在数据库表中执行文本分析，首先利用可用的信息来选择要分析的相关文本列。
To perform an analysis of text in database tables, you first explore the available information to select the relevant text columns for the analysis.
为了对数据库表中的文本进行分析，首先要研究可用的信息，选择要分析的相关文本列。
It is often a burden and time consuming to perform an analysis of variance on the raw data obtained from product experiments.
在对某一产品进行试验后，根据原始数据进行方差分析是件烦琐的工作，需要花费不少时间。
It is often a burden and time consuming to perform an analysis of variance on the raw data obtained from product experiments.
在对某一产品进行试验后，根据原始数据进行方差分析是件烦琐的工作，需要花费不少时间。
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