“secondary standard”的概念、定义、翻译、参考文献-科学参考

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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科学参考收录了60776条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。