D2, D02, D.II, D II or D-2 may refer to:

Places

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Arts & entertainment

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Business

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Biology or medicine

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Vehicles

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Aircraft

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Aircraft engines

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  • Alfa Romeo D2, a 1931 Italian nine-cylinder radial engine for aircraft use
  • Mercedes D.II, a WWI 6-cylinder, liquid-cooled inline aircraft engine

Locomotives

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Ships

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Other vehicles

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Electronics

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  • Cowon D2, a 2007 portable media player with touch screen interface
  • Datasaab D2, a Swedish concept computer completed in 1960
  • d2, a brand of computer peripherals manufactured by the French firm électronique d2, now trading as LaCie
  • D2 kit, a microprocessor development kit MEK6800D2
  • D-2 (video), a professional digital video format
  • DOCSIS 2, a cable modem standard

Other uses

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See also

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