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单词 Positive feedback loop
释义

Positive feedback loop

原声例句
双语版 TED-Ed 演讲精选

The instability is a positive feedback loop.

这种不稳定性是种正反馈回路。

Reel知识卷轴

It's called the positive feedback loop.

这叫做正反馈循环。

经济学人-科技

That is both literally and metaphorically a positive feedback loop.

无论是从直观还是隐含的角度看,这都是一个正反馈循环。

TED演讲(视频版) 2023年8月合集

They used to think that positive feedback loops would keep that process going.

他们曾经认为积极的反馈循环会让这个过程持续下去。

SciShow 合集

They know this because glacial melt is basically caught in a positive feedback loop.

他们之所以知道这一点, 是因为冰川融化基本上处于正反馈循环中。

TED-Ed(视频版)

Getting early wins sets in motion a positive feedback loop, a contagion, a belief, a motivation.

获得早期胜利会启动一个积极的反馈循环,一种传染, 一种信念, 一种动力。

科技趋势先知

A series of chain reactions and positive feedback loops began to accelerate this process even more.

一系列连锁反应和正反馈循环开始进一步加速这一进程。

202329

This cycle causes a positive feedback loop, where the warm air continues to fuel the storm system.

这个循环会产生正反馈循环,暖空气继续为风暴系统提供燃料。

魔鬼经济学

So the whales are creating this pump or this positive feedback loop, that they're releasing nutrients into the ecosystem just as it's needed.

因此,鲸鱼正在创造这种泵或这种正反馈循环,它们根据需要将营养物质释放到生态系统中。

TED演讲(视频版) 2019年9月合集

So, market capitalism is an evolutionary system in which prosperity emerges through a positive feedback loop between increasing amounts of innovation and increasing amounts of consumer demand.

因此,市场资本主义是一个进化体系,在这个体系中,繁荣是通过不断增加的创新量和不断增加的消费者需求之间的正反馈循环出现的。

传说之境

And as more people chose to move to Colorado for the better job opportunities and the outdoor recreation lifestyle, it generated a sort of positive feedback loop where in Colorado's economy steadily became more and more diversified than Wyoming's.

随着越来越多的人为了更好的工作机会和户外休闲生活方式而选择搬到科罗拉多州,它产生了一种正反馈循环,科罗拉多州的经济稳步变得比怀俄明州的经济越来越多样化。

科学60秒-科学美国人 2019年6月合集

" So this creates a kind of a positive feedback loop and helps us to understand why Veillonella might be enriched in elite athletes in the first place." Exercise produces lactate, which feeds Veillonella.

“所以这创造了一种正反馈循环,并帮助我们理解为什么 Veillonella 可能首先在精英运动员身上得到丰富。”运动产生乳酸,为 Veillonella 提供食物。

世界史 Crash Course

So steam engines used cheap British coal to keep British coal cheap, and cheap British coal created the opportunity for everything from railroads to steel, which like so much else in the Industrial Revolution, created a positive feedback loop.

因此,蒸汽机使用廉价的英国煤炭来保持英国煤炭的廉价,而廉价的英国煤炭为从铁路到钢铁的一切创造了机会, 就像工业革命中的其他许多东西一样, 创造了一个积极的反馈循环。

中文百科

正回馈 Positive feedback

(重定向自Positive feedback loop)
化学或核反应的正反馈会导致爆炸
Un sistema mecánico de equilibrio inestable es un sistema con realimentación positiva
Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede.
Causal loop diagram that depicts the causes of a stampede as a positive feedback loop.

正回馈英语:positive feedback),是反馈的一种。是指一系统的输出影响到输入,使得输出变动后会影响到输入,造成输出变动持续加大的情形;同理,如果输出变动持续减少,就称为负回馈。

简单来说,当A产生了更多的B,B会回过来产生更多的A,这个过程就称为正回馈。在机械、电机、电子、化学、经济或是其他系统都会有类似的情形。

英语百科

Positive feedback 正回馈

(重定向自Positive feedback loop)
Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede.
Causal loop diagram that depicts the causes of a stampede as a positive feedback loop.
In sociology a network effect can quickly create the positive feedback of a bank run. The above photo is of the UK Northern Rock 2007 bank run. See also viral video.
Hysteresis causes the output value to depend on the history of the input

Positive feedback is a process that occurs in a feedback loop in which the effects of a small disturbance on a system include an increase in the magnitude of the perturbation. That is, A produces more of B which in turn produces more of A. In contrast, a system in which the results of a change act to reduce or counteract it has negative feedback. Both concepts play an important role in science and engineering, including biology, chemistry, and cybernetics.

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更新时间:2025/6/20 15:56:29