unstable equilibrium

简明释义

不稳定平衡

英英释义

例句

1.The chemical reaction reached an unstable equilibrium, causing the mixture to react violently when disturbed.

化学反应达到了不稳定平衡，当受到干扰时，混合物会剧烈反应。

2.The political situation in the country is in an unstable equilibrium, with tensions that could erupt at any moment.

该国的政治局势处于不稳定平衡状态，紧张局势随时可能爆发。

3.The stack of books on the edge of the table is in an unstable equilibrium, meaning it could easily fall off.

桌子边缘的书堆处于不稳定平衡状态，意味着它很容易掉下来。

4.The tightrope walker maintained an unstable equilibrium as he moved across the wire, requiring constant adjustments.

走钢丝的人在过绳索时保持着不稳定平衡，需要不断调整。

5.In economics, a market can reach an unstable equilibrium where small changes in supply or demand lead to significant fluctuations in prices.

在经济学中，市场可以达到一种不稳定平衡，在这种状态下，供需的小变化会导致价格的显著波动。

作文

In the study of physics and systems dynamics, the concept of unstable equilibrium is crucial in understanding how systems behave under various conditions. An unstable equilibrium refers to a state where a system is in balance but is sensitive to small disturbances. In this state, if the system is slightly perturbed, it will not return to its original position; instead, it will move further away from that position. This phenomenon can be observed in various real-life scenarios, from the behavior of a pencil balanced on its tip to the dynamics of ecosystems and economies.To illustrate the idea of unstable equilibrium, consider a simple example: a pencil standing upright on a flat surface. When perfectly balanced, it represents an unstable equilibrium. However, the moment a slight breeze or accidental touch occurs, the pencil will fall over rather than returning to its upright position. This scenario exemplifies how sensitive systems in unstable equilibrium can be to external forces.In the realm of economics, the stock market often showcases behaviors akin to unstable equilibrium. For instance, when investors collectively believe that a stock is undervalued, they begin buying it, which drives the price up. Initially, this might create a sense of stability; however, if negative news breaks or if investors start selling, the stock price can plummet dramatically, illustrating an unstable equilibrium in market confidence. The initial rise creates a false sense of security, but the underlying volatility means that any minor disruption can lead to significant changes.Ecological systems also demonstrate unstable equilibrium. Take a predator-prey relationship as an example. If a predator population increases, it may lead to a rapid decline in the prey population. This shift disrupts the balance, leading to a potential collapse of the predator population due to lack of food. The system was in an unstable equilibrium before the disturbance, and now it must find a new balance, which may take time and could result in a completely different ecosystem.Understanding unstable equilibrium is essential for various fields, including engineering, environmental science, and economics. Engineers must consider unstable equilibrium when designing structures that can withstand external forces such as earthquakes or strong winds. Similarly, policymakers need to recognize the unstable equilibrium in economic systems to implement measures that can stabilize markets during turbulent times.In conclusion, the concept of unstable equilibrium serves as a reminder of the delicate balances present in nature, economy, and technology. It emphasizes the importance of recognizing how small changes can lead to significant shifts in a system's state. By studying these principles, we can better prepare for and respond to the complexities of the world around us. Understanding unstable equilibrium enables us to appreciate the intricacies of balance within diverse systems and encourages us to think critically about the implications of our actions in a world where stability is often just an illusion.

在物理学和系统动态学的研究中，不稳定平衡的概念对于理解系统在各种条件下的行为至关重要。不稳定平衡指的是一个系统处于平衡状态，但对小的扰动非常敏感。在这种状态下，如果系统受到轻微干扰，它不会返回到原来的位置；相反，它会朝着更远的方向移动。这种现象可以在各种现实场景中观察到，从铅笔竖立在尖端的行为，到生态系统和经济体的动态变化。为了说明不稳定平衡的概念，考虑一个简单的例子：一支铅笔直立在平坦的表面上。当它完美平衡时，它代表了一个不稳定平衡。然而，一旦有轻微的风或意外的触碰发生，铅笔就会倒下，而不是返回到直立的位置。这个场景很好地展示了在外部力量下，处于不稳定平衡的系统是多么敏感。在经济领域，股市常常展示出类似于不稳定平衡的行为。例如，当投资者集体认为某只股票被低估时，他们开始购买该股票，这推动了价格上涨。最初，这可能会创造一种稳定的感觉；然而，如果负面新闻爆出，或者投资者开始抛售，股票价格可能会急剧下跌，体现了市场信心中的不稳定平衡。最初的上涨创造了虚假的安全感，但潜在的波动性意味着任何小的干扰都可能导致重大变化。生态系统也展示了不稳定平衡。以捕食者-猎物关系为例。如果捕食者数量增加，可能会导致猎物数量迅速下降。这种变化打破了平衡，可能导致由于缺乏食物而捕食者数量的崩溃。系统在干扰之前处于不稳定平衡，现在必须找到新的平衡，这可能需要时间，并可能导致完全不同的生态系统。理解不稳定平衡对于各个领域都是至关重要的，包括工程、环境科学和经济学。工程师在设计能够抵御诸如地震或强风等外部力量的结构时，必须考虑不稳定平衡。同样，政策制定者需要认识到经济系统中的不稳定平衡，以实施能够在动荡时期稳定市场的措施。总之，不稳定平衡的概念提醒我们自然、经济和技术中存在的微妙平衡。它强调了识别小变化如何导致系统状态显著变化的重要性。通过研究这些原则，我们可以更好地为应对周围世界的复杂性做好准备。理解不稳定平衡使我们能够欣赏多样系统内平衡的复杂性，并鼓励我们批判性地思考我们在一个稳定性往往只是幻觉的世界中行动的影响。