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时间频率计量
释义
时间频率计量
Encyclopedia
工学
时间频率计量
释
metrology in the field of time and frequency
时间频率计量
利用秒作为基本单位的测量及其应用的科学。是实现时间频率相关量单位统一、量值准确可靠的活动,计量学的分支之一。
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The Right of Nations to Self-Determination
the right on electric power
the right system of environment and resources law
the right to choose education
the right to clean air
the right to defend
the right to educational equality
the right to educational freedom
the right to know of consumers
the right to know the environmental
the right to participate in environmental management
the right to receive education
the right to use forest resources
the right to watch and enjoy the landscape
The Rime of the Ancient Mariner
The Ring and the Book
theriology
The Ripper-Apart of Other Systems of Thought
The Rise and Fall of the Great Powers: Economic Change and Military Conflict from 1500 to 2000
The Rise and Fall of the Media Establishment
The Rise of Silas Lapham
The Rise of the Great Powers
The Rise of the Wave Theory of Light:Optical Theory and Experiment in the Early Nineteenth Century
The Rising and Falling Records of Drama Movies
The Rising Nepal
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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