Don't even have to go as far as fiction.... SDF is a common abbreviation for the... | Hacker News

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		snogglethorpe on Aug 3, 2015 \| parent \| context \| favorite \| on: What are SDF's origins and history? Don't even have to go as far as fiction.... SDF is a common abbreviation for the Japanese Self-Defense Force.

dalke on Aug 3, 2015 [–]

Or the "Structure Data File" format I often deal with in computational chemistry. Or the other items at https://en.wikipedia.org/wiki/SDF .

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