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科学时代收录了3405121条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。
BACK GROUND
background absorption
background activity
background adaptation
background air pollution
background air quality
background air quality monitoring station
background area
background artist
background authentication
background {=BG}
background block error ratio {= BBER}
background block error ratio{=BBER}
background border
background brightness
background buildup
background bus
Background calibration
background calibration
background clutter
background collimating mark
background collimating point
background color
background command
background compensation
background compiler
background computer
background concentration
background condensation
background correction
background count
background counting
background counting rate
background counts
background current
background data
background data terminal
background debug system
background density
background determination
background diabetic retinopathy
background display area
background display image
background download
back ground effect
background effect
Background elimination method
background elimination method
background emission
background equivalent activity
background equivalent concentration
background estimator
Background expansion
background expansion
background exposure
background extinction
background filtering function
background fluctuation
background fog
background foreground{=B/F}
background galaxy
background galaxy cluster
background generator
background genotype; residual genotype
background image
background indication
background information
background infrared
back grounding
backgrounding
background initiator
background ink
background inking
background investigation
background ionization votage
Background irradiance
background irradiation
background job
background jot
background level
background level [of a measuring assembly]
background light
background light sensor
background limited infrared detector
background luminance
background luminance meter
background luminance sensor
background mapping
background material
background mix
background mode
background model
background monitor
background monitoring
background monitoring station
background music
Background Music
background music {=BGM}
back ground noise
background noise
background noise estimate
background-noise level
background noise level
background noise-mean estimation
background noise of channel
background or bias-include noise
background paging
background partition
background plane
Background Plate
background plate
background pollution
background printing
background process
background process group
background processing
background program
background programming
background projection
background queue
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