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时间频率传递
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时间频率传递
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工学
时间频率传递
释
time and frequency transfer
时间频率传递
通过时间频率源(钟或时标)之间的比对,进行时间和频率量值的传递。是各时间频率基准、标准和终端用户内部比对及相互联系的桥梁。
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evaluation for structural safety
evaluation for structural state
evaluation function
evaluation function method
evaluation functor
evaluation grade of urban greening
evaluation index of animal derived food contamination
evaluation index of safety production
evaluation index system
evaluation index system for cultivated land fertility
evaluation index system of agricultural system
evaluation index system of network public opinion
evaluation indicator of NIST
evaluation mapping
evaluation method of feed nutritional value
evaluation method of forestry technical economy
evaluation method of investment project
evaluation methods combination
evaluation model
evaluation mode/model
evaluation object
evaluation of adaptation to climate change
evaluation of agricultural extension
evaluation of agricultural meteorology condition
evaluation of airborne magnetic measurement quality
科学参考收录了854744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。
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