threshold effect

简明释义

阈效应

英英释义

例句

1.The researchers found a threshold effect 阈值效应 in drug dosage, where only higher doses produced significant results.

研究人员发现药物剂量存在阈值效应，只有较高剂量才产生显著效果。

2.In environmental science, the threshold effect 阈值效应 indicates that pollutants can have minimal impact until a certain concentration is reached.

在环境科学中，阈值效应 表明污染物在达到一定浓度之前影响微乎其微。

3.The study revealed a significant threshold effect 阈值效应 in the relationship between income and happiness.

研究揭示了收入与幸福之间关系中存在显著的阈值效应。

4.The threshold effect 阈值效应 in climate change models shows that small increases in temperature can lead to drastic ecological changes.

气候变化模型中的阈值效应 显示，温度的微小增加可能导致生态的剧烈变化。

5.Understanding the threshold effect 阈值效应 is crucial for effective policy-making in public health.

理解阈值效应 对于公共卫生有效政策制定至关重要。

作文

The concept of the threshold effect is widely recognized in various fields, including psychology, economics, and environmental science. Essentially, a threshold effect refers to a point at which a change occurs; before reaching this point, changes are insignificant or negligible, but once the threshold is crossed, the effects become pronounced and impactful. Understanding this phenomenon can help us make better decisions and predictions in both our personal and professional lives.For instance, consider the realm of education. Research has shown that students often experience a threshold effect in their academic performance. Initially, small increases in study time may not lead to significant improvements in grades. However, once students dedicate a certain amount of time to their studies—let’s say around 10 hours per week—they begin to see substantial gains in their understanding and performance. This threshold effect illustrates that there is a critical point where effort translates into success, emphasizing the importance of consistent study habits.In the field of economics, the threshold effect can be observed in consumer behavior. When prices rise, consumers may continue to purchase a product until a certain price point is reached. Once the price surpasses this threshold, consumers may drastically reduce their purchases or switch to alternatives. For example, if the price of coffee rises from $3 to $4, many people may still buy it. However, if it jumps to $5, a significant number of consumers might decide to forego their daily cup. This behavior highlights how businesses must be aware of the threshold effect when setting prices to avoid losing customers.Environmental science also provides a compelling example of the threshold effect. Ecosystems often have delicate balances, and small changes can lead to significant consequences. For instance, a gradual increase in pollution levels might not immediately harm an ecosystem. However, once a certain level of pollution is reached—a threshold—the entire ecosystem can collapse, leading to species extinction and loss of biodiversity. This understanding underscores the urgency of addressing environmental issues before we reach these critical thresholds.Moreover, the threshold effect is relevant in health and fitness. Many individuals start exercising with minor changes to their routine. Initially, these changes may not yield noticeable results. However, once they reach a certain level of commitment—like working out consistently five times a week—they often experience significant health benefits, such as weight loss, improved stamina, and better mental health. This threshold effect serves as motivation for many to push through the initial stages of their fitness journey.In conclusion, the threshold effect is a powerful concept that transcends various domains. Whether in education, economics, environmental science, or personal health, recognizing the existence of thresholds can lead to more informed decisions and strategies. By understanding that certain actions may not yield immediate results but can lead to significant changes once a threshold is crossed, we can better navigate the complexities of life. Embracing the threshold effect encourages patience and persistence, reminding us that sometimes, progress requires reaching that critical tipping point before we can truly see the fruits of our labor.

阈值效应的概念在心理学、经济学和环境科学等多个领域广泛认可。基本上，阈值效应指的是一个变化发生的点；在达到这个点之前，变化是微不足道或可以忽略不计的，但一旦超过阈值，效果就会变得明显且有影响力。理解这一现象可以帮助我们在个人和职业生活中做出更好的决策和预测。例如，考虑教育领域的情况。研究表明，学生在学业表现上往往会经历阈值效应。最初，学习时间的小幅增加可能不会导致成绩的显著提高。然而，一旦学生每周投入一定的学习时间——比如说10小时——他们就开始看到理解和表现的显著提升。这种阈值效应说明了努力转化为成功的关键点，强调了持续学习习惯的重要性。在经济学领域，阈值效应可以在消费者行为中观察到。当价格上涨时，消费者可能会继续购买某种产品，直到达到某个价格点。一旦价格超过这个阈值，消费者可能会大幅减少购买或转向替代品。例如，如果咖啡的价格从3美元上升到4美元，很多人仍然会购买。然而，如果价格跳升到5美元，许多消费者可能会决定放弃他们的日常咖啡。这种行为突显了企业在设定价格时必须意识到阈值效应，以避免失去客户。环境科学同样提供了一个引人注目的阈值效应示例。生态系统往往具有微妙的平衡，微小的变化可能导致重大后果。例如，污染水平的逐渐增加可能不会立即损害生态系统。然而，一旦达到某一污染水平——即阈值——整个生态系统可能会崩溃，导致物种灭绝和生物多样性的丧失。这种理解强调了在达到这些关键阈值之前解决环境问题的紧迫性。此外，阈值效应在健康和健身方面也相关。许多人开始锻炼时对其日常活动进行小幅调整。最初，这些变化可能不会产生明显的效果。然而，一旦他们达到一定的承诺水平——例如每周坚持锻炼五次——他们通常会体验到显著的健康益处，如减肥、耐力提高和心理健康改善。这种阈值效应为许多人提供了动力，促使他们克服健身旅程初期的挑战。总之，阈值效应是一个强大的概念，跨越多个领域。无论是在教育、经济、环境科学还是个人健康中，认识到阈值的存在可以导致更明智的决策和策略。通过理解某些行动可能不会立即产生结果，但一旦超过阈值就能导致重大变化，我们可以更好地应对生活的复杂性。接受阈值效应鼓励耐心和坚持，提醒我们，有时候，进步需要达到那个关键的临界点，才能真正看到我们努力的成果。