threshold value

简明释义

临界值

英英释义

例句

1.If the heart rate drops below the threshold value (阈值), the device will notify the user.

如果心率低于阈值（threshold value），设备将通知用户。

2.The threshold value (阈值) for this medication is critical for ensuring patient safety.

这种药物的阈值（threshold value）对确保患者安全至关重要。

3.The system will trigger an alert when the temperature exceeds the threshold value (阈值) of 75 degrees.

当温度超过阈值（threshold value）75度时，系统将触发警报。

4.The threshold value (阈值) for the air quality index is set at 100.

空气质量指数的阈值（threshold value）设定为100。

5.In this experiment, we need to determine the threshold value (阈值) for detecting sound.

在这个实验中，我们需要确定检测声音的阈值（threshold value）。

作文

In the realm of science and engineering, the concept of threshold value plays a crucial role in various applications. A threshold value refers to the specific point or level at which a certain effect begins to occur or a change takes place. This idea is prevalent in numerous fields, including psychology, biology, and environmental science. Understanding the significance of threshold value can help us make informed decisions based on empirical evidence. For instance, in psychology, researchers often study the threshold value of stimuli to determine the minimum intensity required for a person to perceive a sensation. This is known as the absolute threshold. If a sound is below this threshold value, a person may not hear it at all. Conversely, if it exceeds this level, the individual will likely perceive the sound. Such studies are essential in understanding human perception and sensory processing. In biology, the threshold value can refer to the concentration of a substance that must be reached before a biological response is triggered. For example, in pharmacology, a drug may have a specific threshold value that determines its effectiveness. If the dosage falls below this level, the drug may not produce the desired therapeutic effect. Thus, determining the correct threshold value is vital for ensuring patient safety and treatment efficacy. Environmental science also relies heavily on the concept of threshold value. In the context of pollution, scientists often identify threshold values for various pollutants that indicate when levels become harmful to ecosystems or human health. For example, the threshold value for carbon dioxide concentration in the atmosphere is critical in discussions about climate change. Exceeding this threshold value can lead to severe consequences, such as global warming and extreme weather events. Additionally, the concept of threshold value is applicable in economics, particularly in understanding consumer behavior. Businesses often analyze the threshold value of pricing to determine the point at which consumers are willing to purchase a product. If the price is set above this threshold value, sales may decline significantly, while setting it below might not cover production costs. Therefore, identifying the appropriate threshold value is essential for maximizing profits while meeting customer needs. In conclusion, the term threshold value encompasses a wide range of meanings across different disciplines. It signifies a critical point that influences various outcomes, from sensory perception to ecological health and economic viability. By comprehending the implications of threshold value, we can better navigate complex systems and make more informed choices in our personal and professional lives. As we continue to explore the intricacies of different fields, the understanding of threshold value will undoubtedly remain a pivotal aspect of our knowledge base, guiding us toward sustainable practices and effective solutions. Overall, recognizing the importance of threshold value allows us to appreciate the delicate balance that exists within our environments, both natural and artificial. Whether it is in the context of health, ecology, or economics, paying attention to these critical points can lead to better outcomes for society as a whole.

在科学和工程领域，阈值的概念在各种应用中发挥着至关重要的作用。阈值指的是某种效应开始发生或变化发生的特定点或水平。这个概念在心理学、生物学和环境科学等众多领域中普遍存在。理解阈值的重要性可以帮助我们根据实证证据做出明智的决策。 例如，在心理学中，研究人员常常研究刺激的阈值以确定一个人感知感觉所需的最小强度。这被称为绝对阈值。如果声音低于这个阈值，一个人可能根本听不到。相反，如果它超过这个水平，个体很可能会感知到声音。这类研究对于理解人类感知和感觉处理至关重要。 在生物学中，阈值可以指必须达到的物质浓度，以触发生物反应。例如，在药理学中，一种药物可能具有特定的阈值，决定其有效性。如果剂量低于此水平，药物可能不会产生预期的治疗效果。因此，确定正确的阈值对于确保患者安全和治疗有效性至关重要。 环境科学也在很大程度上依赖于阈值的概念。在污染的背景下，科学家通常会识别各种污染物的阈值，指示何时水平变得对生态系统或人类健康有害。例如，二氧化碳浓度的阈值在气候变化讨论中至关重要。超过这个阈值可能导致严重后果，例如全球变暖和极端天气事件。 此外，阈值的概念在经济学中也适用，特别是在理解消费者行为方面。企业常常分析定价的阈值，以确定消费者愿意购买产品的点。如果价格设定在这个阈值之上，销售可能会显著下降，而设定在以下则可能无法覆盖生产成本。因此，识别适当的阈值对于最大化利润同时满足客户需求至关重要。 总之，阈值一词在不同学科中涵盖了广泛的含义。它标志着影响各种结果的关键点，从感官感知到生态健康和经济可行性。通过理解阈值的影响，我们可以更好地驾驭复杂的系统，并在个人和职业生活中做出更明智的选择。随着我们继续探索不同领域的复杂性，对阈值的理解无疑将继续成为我们知识基础的关键方面，引导我们走向可持续的实践和有效的解决方案。 总体而言，认识到阈值的重要性使我们能够欣赏自然和人工环境之间存在的微妙平衡。无论是在健康、生态还是经济的背景下，关注这些关键点都可以为整个社会带来更好的结果。