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单词
frequency standard
释义
frequency standard
Encyclopedia
工学
频率标准
释
frequency standard
频率标准
能独立工作的,且能给出较高准确度的单一频率值的正弦信号的装置。简称频标。
Physics
光学、声学
光学
frequency standard
频标
全称“频率标准”。
>原子与分子物理学>冷原子分子物理>释义
frequency standard
频[率]标[准]
Astronomy
frequency standard
频率标准
随便看
mine safety production check and inspection
mine safety standardization executive system
mine schedule management database
mine seismic prospecting
mine seismograph
mine shaft and drift
Mines of Rammelsberg
mine soil environment
mine solid waste
Mines or CSM
mine submersible pump
mine survey
mine sustainable development
minesweeper
mine thermal harm
mine transient electromagnetic instruments
mine transient electromagnetic method
mine transportation
minette
mine & tunnel rescue
Mineur
Mineur crater
mine ventilation
mine ventilation methods
mine ventilation network
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更新时间:2025/11/28 11:21:49