DAO

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English[edit]

Abbreviation[edit]

DAO

  1. (chemistry) De-asphalted oil, a crude oil refinery process stream.
  2. (computing) Disk-at-Once, an optical disk recording mode.
  3. (design patterns, software) Data Access Object, a design pattern used in software engineering.
  4. (firearms) Double action only, a trigger mechanism for semi-automatic firearms.

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