它们用于读取结构化格式较好的文件。
They're for reading files that have reasonably structured formats.
现今，80%的企业数据依然为非结构化格式。
80% of today's corporate data remains in a non-structured format.
数据被储存在一个提供高度的功能性的非常结构化格式中。
Here the data is stored in a very structured format that provides high levels of functionality.
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