instantaneous velocity
短语[化] 瞬时速度
词形变化
instantaneous velocities
复数
instantaneous velocities
释义与例句
n.
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1.
The velocity of an object at any given instant (especially that of an accelerating object).
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2.
The limit of the change in position per unit time as the unit of time approaches zero; expressed mathematically as lim _(t→0)(Δx)/(Δt)
数学