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单词
relativistic mass
释义
WordReference Random House Unabridged Dictionary of American English © 2024
rel
′
ativis
′
tic mass
′
,
[
Physics.
]
Physics
the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases.
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更新时间:2026/2/9 11:19:13