file historical data 档案史料
This historical data can be sorted and exported as a comma-separated value (CSV) file, which enables the data to be imported into spreadsheets and other applications.
这些历史数据可以排序，导出为逗号分隔值(CSV)文件，这样可以让数据导入电子表格和其他应用程序中。
StockData filters historical stock data (in a CSV file) based on user queries.
StockData基于用户查询过滤历史证券数据(在一个CSV文件中)。
A distributed file system like HDFS allows storing static files for batch processing. Effectively a system like this allows storing and processing historical data from the past.
像hdfs分布式文件处理系统，允许存储静态数据用于批处理，能使得系统在处理和分析过往的历史数据时更为有效。
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