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wavefront velocity
释义
机械工程词汇手册
wavefront velocity
波前速度,波阵面速度
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background dose
background dose
background equivalent activity
background equivalent activity
background equivalent activity(BEA)
backgrounder
backgrounder
background eradication
background exposure
background fade-in
background fade-out
background film
background illumination
background image
background information
background information
backgrounding
background investigation
background investigation
background job
background limited photodetector
background loudspeaker
background luminance
background luminescence
background material
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