stable equilibrium
简明释义
稳定平衡
英英释义
A stable equilibrium is a state of balance in which an object or system tends to return to its original position after being disturbed. | 稳定平衡是一种平衡状态,在这种状态下,物体或系统在受到干扰后倾向于返回到其原始位置。 |
例句
1.A pendulum at rest hangs in stable equilibrium until acted upon by an external force.
静止的摆锤悬挂在稳定平衡状态,直到受到外力作用。
2.The economy can reach a stable equilibrium when supply and demand are balanced.
当供需平衡时,经济可以达到稳定平衡。
3.A well-designed bridge maintains stable equilibrium under various loads.
设计良好的桥梁在各种载荷下保持稳定平衡。
4.The ecosystem is in a stable equilibrium when all species coexist without overpopulation.
当所有物种共存而不出现过度繁殖时,生态系统处于稳定平衡状态。
5.In physics, a ball resting at the bottom of a bowl is in a stable equilibrium, meaning it will return to this position if disturbed.
在物理学中,球在碗底静止时处于稳定平衡状态,意味着如果受到干扰,它会返回这个位置。
作文
In the realm of physics and economics, the concept of stable equilibrium plays a crucial role in understanding how systems behave under various conditions. A stable equilibrium refers to a state where a system tends to return to its original position after being disturbed. This concept can be observed in both natural and social sciences, providing insights into stability and change.For instance, consider a ball resting at the bottom of a bowl. If the ball is nudged, it may roll slightly up the side of the bowl but will eventually return to the bottom due to gravity. This scenario exemplifies a stable equilibrium, where the system is resilient to small disturbances. In contrast, if the ball were balanced on top of an inverted bowl, any slight push would cause it to roll away, indicating an unstable equilibrium.In economics, the notion of stable equilibrium is often used to describe market conditions. When supply and demand are perfectly balanced, the market reaches a stable equilibrium. For example, if the price of a product is set too high, the quantity supplied will exceed the quantity demanded. This surplus will lead sellers to lower prices, eventually returning the market to a stable equilibrium. Conversely, if prices are too low, demand will outstrip supply, prompting price increases until balance is restored.Understanding stable equilibrium is vital for policymakers and business leaders. By recognizing the factors that lead to stability or instability, they can make informed decisions that promote economic health. For instance, during times of economic downturn, governments may implement stimulus measures to restore stable equilibrium in the market. Such interventions aim to increase consumer confidence and spending, ultimately leading to a recovery.Similarly, in environmental science, the concept of stable equilibrium helps us understand ecosystems. A forest, for example, can reach a stable equilibrium where the number of trees, plants, and animals is balanced. However, if an external factor, such as deforestation or climate change, disrupts this balance, the ecosystem may struggle to return to its stable equilibrium. Conservation efforts often focus on restoring these natural balances to ensure the sustainability of ecosystems.In conclusion, the idea of stable equilibrium is a fundamental principle that applies across various fields. Whether in physics, economics, or environmental science, recognizing the signs of stability and the potential for disturbance allows us to navigate complex systems more effectively. By striving to maintain stable equilibrium, we can foster resilience in our societies and the natural world, ensuring a better future for generations to come.
在物理学和经济学领域,稳定均衡的概念在理解系统在各种条件下的行为中起着至关重要的作用。稳定均衡指的是一个系统在受到干扰后倾向于返回其原始位置的状态。这个概念可以在自然科学和社会科学中观察到,提供了对稳定性和变化的洞察。例如,考虑一个球在碗底静止的情况。如果这个球被轻推,它可能会稍微滑上碗的一侧,但最终会因为重力而返回底部。这个场景就是一个稳定均衡的例子,在这个状态下,系统对小干扰是有韧性的。相比之下,如果球平衡在一个倒置的碗顶部,任何轻微的推力都会使它滚开,这表明这是一个不稳定的均衡。在经济学中,稳定均衡的概念常用于描述市场状况。当供需完美平衡时,市场达到了稳定均衡。例如,如果某个产品的价格设定得过高,供应量将超过需求量。这种过剩将导致卖家降低价格,最终使市场恢复到稳定均衡。相反,如果价格过低,需求将超过供应,促使价格上涨,直到恢复平衡。理解稳定均衡对政策制定者和企业领导者至关重要。通过认识到导致稳定或不稳定的因素,他们可以做出明智的决策,以促进经济健康。例如,在经济衰退时期,政府可能会实施刺激措施,以恢复市场中的稳定均衡。这样的干预旨在提高消费者信心和支出,最终导致复苏。同样,在环境科学中,稳定均衡的概念帮助我们理解生态系统。比如,一个森林可以达到一个稳定均衡,在这个均衡中,树木、植物和动物的数量是平衡的。然而,如果外部因素,如森林砍伐或气候变化,破坏了这种平衡,生态系统可能会难以恢复到其稳定均衡。保护工作通常集中在恢复这些自然平衡上,以确保生态系统的可持续性。总之,稳定均衡的概念是一个基本原则,适用于各个领域。无论是在物理学、经济学还是环境科学中,识别稳定的迹象和潜在的干扰使我们能够更有效地导航复杂的系统。通过努力维持稳定均衡,我们可以在我们的社会和自然世界中培养韧性,为后代创造一个更好的未来。