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mass number
【化】 质量数
【医】 [原子]质量数
mass number
[ noun ]
the sum of the number of neutrons and protons in an atomic nucleus
<noun.quantity>
mass number
mass observation
mass of
mass of 1000 kernel
mass of atmosphere
mass of data
mass of flywheel
mass of ore
mass of profit
mass of rock
mass of soil
mass of the electron
mass of vibration
mass of water
mass operator
mass optical memory
mass organization
mass parameter
mass peak
mass percent
mass peristalsis
mass phenomena of dis...
mass phenomenon
mass physiology
mass pigmentation
mass planting
mass point
mass poisoning
mass polymer
mass polymerization
mass power
mass pressure
mass produced
mass productability
mass production
mass production method
mass production techn...
mass production-scale
mass provisioning
mass psychology
mass purchasing power
mass quality
mass radiative stoppi...
mass radiator
mass radiography
mass radius
mass random access disk
mass range
mass rapid transit ra...
mass rate
mass rate of emission
mass rate of emission...
mass rate of flow
mass ratio
mass ratio of fission...
mass reactance
mass recirculation
mass reflex
mass renormalizability
mass renormalization
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