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单词 unstable
释义

unstable /ʌnˈsteɪbl//ʌnˈsteɪbl/

英汉-汉英词典
adj. 不稳定的;动荡的;易变的
比较级: unstabler, unstablest
词组 | 习惯用语
unstable state 不稳定状态;非稳态
unstable slope 不稳定斜坡,不稳定边坡;不稳坡
unstable equilibrium [化]不稳定平衡
unstable combustion 不稳定燃烧
英语例句库
  1. This bookcase is too unstable to hold so many books.
    这书橱很结实, 装不了这么多书。
  2. He was the most unstable kind of fool I had ever seen.
    他是我所遇见过的最反复无常的傻瓜。
  3. The patient’s condition was unstable.
    那患者的病情稳定
  4. The operation pressure of debutanizer was unstable since a light hydrocarbon recovery unit had been put into use.
    某轻烃回收装置自投用以来,脱丁烷塔操作压力一直稳定
  5. But, there were extremely low efficiency of integration, unstable hereditation and expression in transgenic animals by the technique.
    但是,这种方法存在基因整合效率低、外源基因能在转基因动物体内稳定遗传及表达的问题。
  6. The manifestation of subhealth mainly included unstable emotion and hypomnesia whose occurrence was correlative with bad life style and family factor.
    亚健康的表现类型以情绪及记忆力减退最多,其发生与生活不良习惯及家庭因素有关。
  7. Thermokarst failures occur when permafrost—a layer of frozen soil in Earth's polar regions—thaws and becomes unstable, possibly releasing greenhouse gases into the atmosphere.
    随着永久冻土带消溶和分崩离析,热喀斯特现象大量出现,埋藏于地下的(甲烷等)温室气体可能散发到大气中。
  8. In fact, the MI patients had unstable angina, a high risk condition already established by pathological studies to bespecifically induced by intramyocardial platelet emboli.
    事实上,心肌缺血患者有稳定心绞痛,病理学研究已证实这种高危状态可由心肌内血小板栓子诱发。
  9. The diolefins and alkenyl aromatics are very unstable components which can give gums by polymerization.In giving olefins and alky aromatics the hydrogenation improves the product quality.
    二烯烃和烯基芳烃是非常稳定的组分,可聚合产生凝胶。对于给定烯烃和烷基芳烃,氢化可以改善产品质量。
  10. There is a coal layer on the clay of direct roof.This layers is unstable and easy tofall down after mining and enable the gas to gush out.
    团溪锰矿的直接顶板粘土之上有一煤层,且稳定,采后容易垮落,造成瓦斯涌出。
  11. The rubber to metal bonding mostly adopt sulphurate bonding.But if under sulphurating condition the bonding layer is unstable, or suppurating craft is difficult to come true,we adopt cold bonding.
    橡胶与金属粘合大都采用硫化粘合方式,但当硫化条件下基材稳定或硫化粘合工艺不易实现时则采用冷粘方式。

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原声例句
历年英语六级听力真题(含译文)

But Antarctic experts disagree strongly on just how unstable it is.

但是南极专家就其稳定程度产生了分歧。

我们这一天 第二季

Okay, if anyone's unstable, I'm the unstable one, right?

要说有谁喜怒无常的话,那也是我,好吗?

EnglishPod 91-180

That seems a bit unstable don't you think?

这好像有点儿稳定,你不觉得吗?

VOA Special 2019年9月合集

She seemed mentally unstable. So, I nipped that problem in the bud.

她看起来精神稳定。所以,我防患于未然了。

经济 Crash Course

So collusion and cartels are often unstable.

因此,勾结和卡特尔同盟常常是稳定的。

Lost Girl S04

Carbonic acid is actually very unstable ...

碳酸实际上是稳定的。

NPR音讯 2021年10月合集

These two countries are neighbors. The entire Horn of Africa seems really unstable at this minute.

这两个国家是邻居。整个非洲之角此刻似乎非常稳定

我们这一天2

And it feels to us like she- she might be a little unstable. -Wow, un- unstable?

我们感觉她, 她可能有一点情绪不稳定 -哇, 不, 不稳定?

心理学小课堂

It may call for an unstable relationship.

这可能会导致关系稳定

家园 原声版

One of the most unstable of all.

是最稳定的一种。

中文百科

不稳定性 Instability

(重定向自Unstable)
山丘上的球,即为一个不稳定的例子
山谷中的球,即为一个稳定的例子
瑞利-泰勒不稳定性的流体力学仿真[3]
两个冲击射流碰撞产生的不稳定流结构

在许多领域中,不稳定是指一个可由其输出或内在状态描述的系统,其状态可能会不受限制的成长(有时会称为发散)。另一个对应的词是稳定,稳定有许多种定义,其中一种定义是指对系统施加一个小型的外扰,使系统离开一平衡状态,外扰去除后,系统会回到原来的平衡状态。

以右图为例:

系统除了稳定及不稳定,也可能处于其他的情形,例如系统不会发散也不会回到原平衡状态的边界稳定(例如一个平地上的球),或是其状态会形成某种特定循环的极限环。

在结构工程中,一个结构若承受了过重的负荷,结构就会不稳定。负荷若超过一定的上限,结构的变形会使应力变大,结构 会再进一步的变形,会产生挫曲或局部破坏,这类的研究称为结构稳定性

英语百科

Instability 不稳定性

(重定向自Unstable)
A ball on the top of a hill is an unstable situation.
Hydrodynamics simulation of the Rayleigh–Taylor instability[3]
Unstable flow structure generated from the collision of two impinging jets.
山丘上的球,即为一个不稳定的例子

In numerous fields of study, the component of instability within a system is generally characterized by some of the outputs or internal states growing without bounds. Not all systems that are not stable are unstable; systems can also be marginally stable or exhibit limit cycle behavior.

近义、反义、联想词
近义词
adj.
coseismic, coseismal, crank, cranky, tender, tippy, explosive

反义词
n.
stable, unreactive, easy, sane, resolute, unchangeable

联想词
stable马厩;unbalanced精神失常的;volatile不稳定的;instability不稳定,不稳固;erratic不稳定的;precarious依靠机会的;fragile脆的;unpredictable无法预言的, 不可预测的;chaotic混乱的,无秩序的;dangerous有危险的, 危险的;insecure不安全的;
英英词典
unstable adj.
  1. lacking stability or fixity or firmness
    • unstable political conditions
    • the tower proved to be unstable in the high wind
    • an unstable world economy
  2. highly or violently reactive
    • sensitive and highly unstable compounds
  3. affording no ease or reassurance

  4. synonymous: precarious
  5. suffering from severe mental illness

  6. synonymous: mentally ill, unsound
  7. disposed to psychological variability
    • his rather unstable religious convictions
  8. subject to change; variable
    • everything was unstable following the coup

    synonymous: fluid
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更新时间:2025/6/20 23:27:07