英:[ˌpɜːtəˈbeɪʃn]
美:[ˌpɜːrtərˈbeɪʃn]
英:[ˌpɜːtəˈbeɪʃn]
美:[ˌpɜːrtərˈbeɪʃn]
per·tur·ba·tion
puhr tr beI shn
词根:perturb
vt.perturb 扰乱;使…混乱;使…心绪不宁
Noun
1. an unhappy and worried mental state;
"there was too much anger and disturbance"
"she didn't realize the upset she caused me"
2. (physics) a secondary influence on a system that causes it to deviate slightly
3. activity that is an intrusion or interruption;
"he looked around for the source of the disturbance"
"there was a disturbance of neural function"
4. a disposition that is confused or nervous and upset
5. the act of causing disorder
perturbation method[化]微扰法,微扰理论
perturbation theory微扰理论;摄动理论
perturbation equation扰荡方程,扰动方程
14世纪晚期, perturbacioun,“精神紊乱,被扰乱的状态”,源自于古法语 perturbacion “混乱,困惑”(14世纪)和直接源自拉丁语 perturbationem(主格 perturbatio)“混乱,无序,骚乱”,是 perturbare 的动名词形式(参见 perturb)。
摄动
干扰
摄动
又称 :摄动(disturbance)
(1) 天体轨道对圆锥曲线的偏离。(2) 使天体轨道偏离圆锥曲线的扰动过程。
扰动
摄动
微扰
扰动
一般是指系统在正常范围内的波动。它往往有一定的规律可循,并具有可预知性,为一般意义上的环境波动行为。
摄动
The first known use of perturbation was in the 14th century
peruseverb
read entry 1 sense 1aespecially: to read carefully or thoroughly
perusalnoun
the action of perusing
perukenoun
a kind of wig popular in the 17th and 18th centuries
pertussisnoun
whooping cough
perturbationnoun
the action of perturbing
the state of being perturbed
1 And using perturbation moment theory, the variances of random differential equations material point shift were gotten.
通过小噪声摄动理论, 建立了小噪声随机微分方程.
2 Study participants were asked to respond to the expected perturbation under two conditions: using the prosthetic devices they normally used; and using the robotic prosthetic prototype.
3 ...perturbations in Jupiter's gravitational field.
木星重力场的微小变化
4 The perturbation was a single extra 'spike, ' or nerve impulse, introduced to a single neuron in the brain of a rat.
干扰是一个单独的额外尖峰信号或神经冲动,刺激小鼠的一个单独的神经元。
5 J 2 perturbation makes the relative orbit drift in the in track direction , nutation or procession.
J2摄动对相对轨道的影响分为相对轨道构形的漂移 、 相对轨道平面的章动和进动.
6 The eigenvalues of a normal matrix are not sensitive to its elements perturbation.
本文研究一类正规矩阵反问题,给出有解的充要条件及通解表达式.
7 This paper presents an iterative method for separating singular perturbation control systems.
文章提供了一种奇异摄动控制系统的迭代分解方法.
8 At first, a necessary lemma is investigated, and thereby the absolute perturbation bounds is given.
首先推导出了一个必要的引理,然后给出了扰动方程的绝对扰动界, 进而相对扰动界也相应给出.
9 temperature perturbations
温度的些微变化
10 In earlier analysis, was usually treated as a perturbation and was left out.
在前人的分析中, 前端面反射率往往被当作微扰而被有意无意地忽略掉了.
11 The coupling between the transverse velocity and electromagnetic perturbation is considered.
考虑了横向扰动速度与电磁场扰动的耦合。
12 in her perturbation she kept calling her son, a freshman, to see if everything was all right at college
13 A method for robust flutter computation is presented by using flight altitude as a perturbation variable.
提出了一种以飞行高度作为摄动变量,利用结构奇异值理论来进行鲁棒颤振计算的方法.
14 This paper introduces the concept of minimal perturbation efficient solution in minimal perturbation constraints programming.
文中引进了极小扰动约束规划的极小扰动有效解概念。
15 The course also examines approximation methods: WKB method, variational principle, and perturbation theory.
同时,本课程也解释了几种常用的近似方法: WKB方法 、 变分原理 、 以及微扰理论.
16 Moore said it’s important to distinguish between individuals who are suffering from long covid who have all kinds of perturbations in their bodies, not just their immune systems, and long-term changes in population immunity.
17 Firstly, a perturbation and spaced eigenvalue problems of vibrating string is presented.
首先讨论了弦振动的孤立、相近特征值摄动问题.
18 Unwillingly she met his eyes, defiance and perturbation on her face.
她极不情愿地看着他的眼睛,满脸反抗和烦乱的神色。
19 Physics Astronomy To cause perturbation, as of a celestial orbit.
引起摄动, 如天空中轨.
20 The researchers realized that quakes sometimes didn’t leave telltale perturbations.
1 搅乱
shuffle foil unsettle perturb screw upset disturb disarray disorganize derange play the devil with
2 狼狈
confused streaked rattled confounded panic-stricken helter-skelter confusion pucker faze bewilder discomfit nonplus spifflicate confuse upset dash rattle confound perplex flummox spiflicate
6 忧虑
concerned anxious unhappy uneasy apprehensive pensive twitchy overwrought care concern anxiety funk apprehension agitation spectre angst disquiet vexation inquietude fear unease weigh on troubled fearful distressed fraught angsty angst-ridden thought worry trouble distress grief flap heartache indaba fuss vex
8 摄动
9 微扰
10 扰乱
discomposingly ingerence interference disturbance jamming disorganization derangement disarrangement stramash break disorder disturb fray ruffle flutter agitate dislocate derange disconcert discomfit disarrange discombobulate ball up dislocation shake upset violate interfere disrupt crab unhinge cock up perturbative fuss distract discomfort hamper shuffle unsettle confound muddle embroil demoralize perturb affright discompose discommode disaffect stand on its head shindy sab addle break in on make hay of
11 担心
concerned nervous concerning worried stressful anxious fearful uneasy apprehensive suspenseful bothered panicky stressed out perturbed stressy care concern worry anxiety suspense apprehension disquiet fear stress bug bother dread perturb have on your mind lose sleep about lose sleep over tremble to think get in a sweat concern yourself solicitous wind alarm disturbance unease misgiving solicitude disquietude concernment worriment gaingiving afraid graum sweat tremble apprehend misdoubt fret guts haveon chest sweat it
12 不安
nervous uncomfortable anxious rocky troubled insecure restless uneasy disturbed apprehensive queasy twitchy harassed unquiet suspensive suspensively uncomfortably uneasily apprehensively alarmedly fear sweat discomfort disturbance fret dread unrest suspense dismay agitation angst qualm malaise unease misgiving uneasiness distemper disquiet solicitude discomposure inquietude totter unanchor disturb rattle psych fidget discompose get under skin with bated breath anxious seat turbulent upset guilt throw bother flap tremble lie heavy on stew trepidation dingbat disquietude abdabs worry ill at ease concerned self-conscious flutter queasiness perturb disconcert unsettled conscience-stricken exercise sting bum agitate lie heavy ruffle a few feathers ruffle few feathers break up hang heavy streaky streaked unstrung misease disease anxiety apprehension swivet toss unstring all-overish sorry disconcerted all-overs dispeace wonder flurry tremor distaste pucker katzenjammer incertitude psych-out overwhelm undo unsettle untune do to
13 动摇
unstable shaky wavy waver wobbly wayward unsettled unsteady shaken unfixed unquiet irresolute instable to-and-fro tottery lubricous transigent labefaction rock movement motion shake sway stagger ruffle oscillation trepidation seesaw totter lubricity welter wabble move chop reel vibrate oscillate unsettle budge unhinge whiffle unfix
16 混乱
shambolic haywire mixed-up ragtime rough tumultuous hazy disorderly woolly indiscriminate untidy turbid untuned hugger-mugger adrift pell-mell balls-up cock-up ruction snarl-up shambles screw-up tracasserie disorder shock dust pie confusion chaos distraction rout tumble turmoil mayhem turbulence huddle anarchy ruffle commotion jumble broil snarl tumult mix-up upturn snafu perplexity hubbub pandemonium brouhaha kerfuffle anomie foul-up fuddle shemozzle mêlée discombobulate involve confuse devastate confound entangle obfuscate perturb disjoint bedevil unstring mess tangle whirl muddle ravel make hay of out of joint involved complicated upset disrupt confused muddy chaotic upside-down unsettling perplexed vexatious rough-and-tumble addled confounded helter-skelter mazy rhapsodic addle flurried ataxic mussy jumbly rhapsodical tumultuary spiflicated out ravelment mix shine coil hurry riot clutter pickle spaghetti to-do puddle whirlpool flurry dislocation mull entanglement disarray crisscross skein cobweb faze turbidity promiscuity ataxia fluster derange disorganization muss swelter babel welter muddiness disarrange razzle-dazzle dishabille higgledy-piggledy embarras moil deray exorbitance bouleversement topsyturvy stirabout turbidness spifflicate puzzle complicate torment perplex embroil dislocate disorganize becloud moider spiflicate tailspin mess-up hog wild
17 烦恼
upset troubled laden haunted disturbed uptight torturous laboring harassed tormenting agonising plaguy painfully annoyingly agonisingly vexedly torturingly tracasserie worry disturbance woe ruffle gall vexation botheration cark worriment besetment bother agonise get try exercise load trouble bug harass annoy torment fray molest wring pester vex fester ail perturb discommode get under skin boiling water concern grief COB chafe shtook weary wrong hung up annoyed perturbed care annoyance aggro aggravation hang-up niggle shake plague disturb grate oppress gnaw exasperate exercise mind not be a happy camper a cross to bear a heavy cross to bear get to cheesed off annoying distressed irritated shaken exasperated vexed pain hassle displeasure chagrin disquiet smart hurt fuss irritate nettle irk browned off with browned off put out break up tick off weigh down