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单词 secondary standard
释义
secondary standard

Electronics and Electrical Engineering
  • 1. A copy of a primary standard that has a known difference from the primary standard.

    2. A quantity that is accurately known in terms of a primary standard and that may be used as a unit.

    3. A measuring instrument that has been accurately calibrated in terms of a primary standard and that can be used for accurate measurements or calibration of other equipment.

    Compare primary standard.


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