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rapidity    音标拼音: [rəp'ɪdəti]
n. 迅速,急速,速度

迅速,急速,速度

rapidity
n 1: a rate that is rapid [synonym: {celerity}, {quickness},
{rapidity}, {rapidness}, {speediness}]

Rapidity \Ra*pid"i*ty\ (r[.a]*p[i^]d"[i^]*t[y^]), n. [L.
rapiditas: cf. F. rapidit['e].]
The quality or state of being rapid; swiftness; celerity;
velocity; as, the rapidity of a current; rapidity of speech;
rapidity of growth or improvement.
[1913 Webster]

Syn: Rapidness; haste; speed; celerity; velocity; swiftness;
fleetness; quickness; agility.
[1913 Webster]

66 Moby Thesaurus words for "rapidity":
air speed, alacrity, bat, briskness, ceaselessness, celerity,
chattering, constancy, constant flow, continualness, continuity,
decisiveness, dispatch, expedition, expeditiousness, fastness,
flight, flit, flurry, gait, ground speed, haste, hurry, immediacy,
immediateness, incessancy, instantaneousness, knots,
lightning speed, miles per hour, noninterruption, oscillation,
pace, perpetuity, precipitation, promptitude, promptness,
pulsation, punctuality, punctualness, quick fire, quickness,
rapid fire, rapid recurrence, rapid succession, readiness,
regularity, repetition, round pace, rpm, rush, snappiness, speed,
speediness, staccato, steadiness, stuttering, summariness,
sustainment, swift rate, swiftness, tattoo, unintermission,
uninterruption, velocity, vibration


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  • Rapidity - Wikipedia
    Rapidity is the parameter expressing variability of an event on the hyperbola which represents the future events one time unit away from the origin O These events can be expressed (sinh w, cosh w) where sinh is the hyperbolic sine and cosh is the hyperbolic cosine
  • 快度与赝快度 - 知乎 - 知乎专栏
    快度 的引入：在相对论运动学中，涉及到时空变换时不可避免地需要考虑洛伦兹（Lorentz）变换。 速度、时空在这时都是相对的，传统的速度概念在高速和相对运动的情况下不再成立。而为了大大简化计算与方便理论的建立，人们引入了“快度”的概念。
  • 快度有什么物理意义？ - 知乎
    超好用的快度（rapidity） 由前面的 \\beta=\\displaystyle\\frac{v}{c}=\\tanh{y} 不难看出快度是表征运动速度的一个参量。 还可以进一步解出快度的表达式： y=\\mathrm{artanh}\\left(\\displaystyle\\frac{v}{c}\\right)=\\displaystyle\\frac{1}{2}\\log\\left(\\displaystyle\\frac{1+v c}{1-v c}\\right)
  • RAPIDITY中文(简体)翻译：剑桥词典 - Cambridge Dictionary
    The disease spread with alarming rapidity the rapidity of economic growth in many of the developing countries; People came and went with increasing rapidity
  • rapidity是什么意思_rapidity的翻译_音标_读音_用法_例句_爱词霸在线词典
    爱词霸权威在线词典,为您提供rapidity的中文意思,rapidity的用法讲解,rapidity的读音,rapidity的同义词,rapidity的反义词,rapidity的例句等英语服务。
  • Rapidity - MIT - Massachusetts Institute of Technology
    Rapidity can be easier to work with than velocity directly Rapidities add linearly between reference frames, unlike velocities which must be either Lorentz transformed or added specially The hyperbolic tangent in the rapidity relates to the structure of Minkowski space This hyperbolic geometry emerges from the Minkowski metric
  • rapidity - 搜索 词典
    必应词典为您提供rapidity的释义，美[rə'pɪdəti]，n 迅速；速度； 网络释义： 快；急速；快速；
  • RAPIDITY Definition Meaning - Merriam-Webster
    Attitudes have fluctuated from negative to positive, and then from positive to negative with exhausting rapidity — Andrey Kurkov, Time , 15 May 2025 This is a very much different thing than COVID in terms of rap -- rapidity and speed and other things
  • RAPIDITY 释义 | 柯林斯英语词典 - Collins Online Dictionary
    RAPIDITY 释义: a rapid state or quality; quickness; celerity | 意思、发音、翻译及示例
  • RAPIDITY Definition Meaning - Dictionary. com
    Rapidity definition: a rapid state or quality; quickness; celerity See examples of RAPIDITY used in a sentence





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