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perturbation    音標拼音: [p,ɚtɚb'eʃən]
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perturbation
n 1: an unhappy and worried mental state; "there was too much
anger and disturbance"; "she didn't realize the upset she
caused me" [synonym: {disturbance}, {perturbation}, {upset}]
2: (physics) a secondary influence on a system that causes it to
deviate slightly
3: activity that is a malfunction, intrusion, or interruption;
"the term `distress' connotes some degree of perturbation and
emotional upset"; "he looked around for the source of the
disturbance"; "there was a disturbance of neural function"
[synonym: {perturbation}, {disturbance}]
4: a disposition that is confused or nervous and upset [synonym:
{perturbation}, {fluster}]
5: the act of causing disorder [synonym: {disruption},
{perturbation}]

Perturbation \Per`tur*ba"tion\, n. [L. perturbatio: cf. F.
perturbation.]
1. The act of perturbing, or the state of being perturbed;
esp., agitation of mind.
[1913 Webster]

2. (Astron.) A disturbance in the regular elliptic or other
motion of a heavenly body, produced by some force
additional to that which causes its regular motion; as,
the perturbations of the planets are caused by their
attraction on each other. --Newcomb.
[1913 Webster]

235 Moby Thesaurus words for "perturbation":
ado, aggravation, agitation, all-overs, angst, animation, anxiety,
anxiety hysteria, anxiety neurosis, anxious bench, anxious concern,
anxious seat, anxiousness, apprehension, apprehensiveness, arousal,
arousing, baffle, bafflement, befuddlement, bewilderment, bluster,
bobbery, boil, boiling, bother, botheration, brouhaha, bustle,
cankerworm of care, care, chaos, chills of fear, churn, cloud,
cold creeps, cold shivers, cold sweat, commotion, concern,
concernment, confoundment, confusion, conturbation, convulsion,
creeps, daze, derangement, dilemma, disarrangement, disarray,
disarticulation, discombobulation, discomfiture, discomposure,
disconcert, disconcertedness, disconcertion, disconcertment,
disharmony, dishevelment, disintegration, disjunction, dislocation,
disorder, disorderliness, disorganization, disorientation,
disproportion, disquiet, disquietude, disruption, distress,
disturbance, dread, ebullience, ebullition, eddy, effervescence,
electrification, embarrassment, embroilment, enigma, entropy,
exacerbation, exasperation, excitation, excitement, exhilaration,
fear, fear and trembling, feery-fary, ferment, fermentation, fever,
feverishness, fidgets, fix, flap, flummox, flurry, fluster,
flutter, flutteration, fog, foment, fomentation, foreboding,
forebodingness, frenzy, fuddle, fuddlement, fume, fuss,
galvanization, goose bumps, gooseflesh, haphazardness, haze,
heartquake, horripilation, hubbub, hurly-burly, hurry,
hurry-scurry, incitement, incoherence, indiscriminateness,
inflammation, infuriation, inharmonious harmony, inquietude,
insanity, irregularity, irritation, jam, jimjams, jitters, jumble,
jumpiness, lathering up, maelstrom, malaise, maze, mess,
misarrangement, misgiving, mist, moil, most admired disorder,
muddle, muddlement, mystery, nerviness, nervous tension,
nervousness, nonplus, nonsymmetry, nonuniformity, overanxiety,
palpitation, pell-mell, perplexity, pickle, pins and needles,
plight, pother, predicament, problem, promiscuity, promiscuousness,
provocation, pucker, puzzle, puzzlement, quaking, quandary,
quiver of terror, randomness, restlessness, riddle, roil, rout,
row, ruffle, scrape, seethe, seething, shivers, shuffle, shuffling,
solicitude, steaming up, stew, stimulation, stimulus, stir,
stirring, stirring up, strain, suspense, sweat, swirl, swirling,
swivet, tension, thrill of fear, tizzy, to-do, trepidation,
trepidity, trouble, tumult, tumultuation, turbidity, turbulence,
turmoil, twitter, unassuredness, unease, uneasiness, unquietness,
unrest, unsettlement, unsymmetry, ununiformity, uproar, upset,
vexation, vortex, whipping up, whirl, working up, yeastiness,
zeal

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英文字典中文字典相關資料:
  • PERTURBATION中文 (简体)翻译:剑桥词典
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    爱词霸权威在线词典,为您提供perturbation的中文意思,perturbation的用法讲解,perturbation的读音,perturbation的同义词,perturbation的反义词,perturbation的例句等英语服务。
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  • Perturbation theory - Wikipedia
    The standard exposition of perturbation theory is given in terms of the order to which the perturbation is carried out: first-order perturbation theory or second-order perturbation theory, and whether the perturbed states are degenerate, which requires singular perturbation
  • perturbation_百度百科
    perturbation是英语名词,发音为英 [ˌpɜːtəˈbeɪʃn] 美 [ˌpɜːrtərˈbeɪʃn],主要含义包括数学与天文学领域的“摄动”、通用语境中的“扰乱”及“不安”。
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    The meaning of PERTURBATION is the action of perturbing : the state of being perturbed How to use perturbation in a sentence
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    A perturbation is a small change in the movement, quality, or behaviour of something, especially an unusual change 2 不可数名词 Perturbation is worry caused by some event Agatha went up to her mistress in a state of great perturbation Collins COBUILD Advanced Learner’s Dictionary Copyright © HarperCollins Publishers 1 2
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    下图中给出了一个系统的精确解(实线)、平均解(虚线)和进一步的二阶逼近(点划线)结果,可以清晰地看到这一点。 应用前面几节的结论,可以总结出下面的 定理: 记原系统和平均系统的解分别为 x (t,\epsilon) 和 \bar x (\epsilon t) ,则 如果原点是平均系统的一个指数稳定平衡点,则存在正的常数 \epsilon^* 和 k ,使得 \forall 0<\epsilon<\epsilon^* ,原系统有以 T 为周期的唯一指数稳定解 \bar x (t,\epsilon) ,且满足 |\bar x (t,\epsilon)|\leq k\epsilon 。 x (t,\epsilon)-\bar x (\epsilon t)=O (\epsilon)\\





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