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单词
brass
释义
brass
A group of alloys consisting of copper and zinc. A typical yellow brass might contain about 67% copper and 33% zinc
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absorption spectrum
absorptivity
abundance
acceleration
acceleration of free fall
accelerator
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acceptor levels
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accretion disc
accumulator
achromatic lens
acoustics
acoustoelectronic devices
actinic radiation
actinium
actinium series
actinoid contraction
actinometer
action at a distance
action potential
action spectrum
activation analysis
active device
activity
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更新时间:2025/6/23 0:18:15