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Don't even have to go as far as fiction.... SDF is a common abbreviation for the Japanese Self-Defense Force.
by snogglethorpe 11y ago
Don't even have to go as far as fiction.... SDF is a common abbreviation for the Japanese Self-Defense Force.
- dalke 11y agoOr the "Structure Data File" format I often deal with in computational chemistry. Or the other items at https://en.wikipedia.org/wiki/SDF https://en.wikipedia.org/wiki/SDF .