1.  master data
2.  key data

• 1. 主要数据: key data | Main data | Master data | Principal data
• 2. 第一类/主要数据: primary sources
• 3. 主要数据文件: primary data file

更多释义

• 1.主要数据集大致相同。
  "The major datasets mostly agree," he said.
  dict.yoduao.com
• 2.可以通过从涉及的信息域中选择一些主要数据记录进行设计。
  You design it by selecting a number of primary data records from the information domains to be covered.
  dict.yoduao.com
• 3.他们的解决方案是把主要数据和这些数据的索引分离开来。
  Their solution was to separate the primary data and indices to that data.
  dict.yoduao.com

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