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abbreviation for


or Obs.,

1. observation.
2. observatory.
3. obsolete.
References in periodicals archive ?
Modern systems automate many of the occasions when OBS mode (or HOLD or other terms used in older navigators) is required.
With its expertise in one-pack systems, Baerlocher plans to continue the development of OBS technology.
Still, OBS stabilizers offer manufacturers an opportunity to be "ahead of the game" in environmental responsibility, according to Crompton sources.