mean lifetime

简明释义

平均寿命

英英释义

例句

1.In physics, the mean lifetime of a particle is crucial for understanding its stability.

在物理学中，粒子的平均寿命对于理解其稳定性至关重要。

2.The mean lifetime of a software application can be extended with regular updates.

通过定期更新，软件应用的平均寿命可以延长。

3.The mean lifetime of a smartphone battery typically ranges from 2 to 3 years.

智能手机电池的平均寿命通常在2到3年之间。

4.Researchers calculated the mean lifetime of stars in different categories to better understand their evolution.

研究人员计算了不同类别星星的平均寿命以更好地理解它们的演化。

5.The mean lifetime of a light bulb is about 1,000 hours, which means it will last for a long time before needing replacement.

灯泡的平均寿命大约是1000小时，这意味着在需要更换之前它会持续很长时间。

作文

In the field of science, particularly in physics and biology, the concept of mean lifetime plays a crucial role in understanding various phenomena. The term mean lifetime refers to the average time that a particular particle, organism, or system exists before it decays or dies. This statistical measure is essential for predicting behaviors and outcomes in different contexts, such as radioactive decay, population dynamics, and even in the lifespan of products in engineering. For instance, in nuclear physics, the mean lifetime of a radioactive isotope indicates how long, on average, it will take for half of the atoms in a sample to decay. This information is vital for applications in medicine, such as in the use of radioactive tracers for diagnosis and treatment. Understanding the mean lifetime allows scientists and doctors to calculate the appropriate dosages and timing for treatments, ensuring maximum effectiveness while minimizing risks. Similarly, in ecology, the mean lifetime of a species can provide insights into its population dynamics. By studying the average lifespan of organisms within an ecosystem, researchers can better understand the factors that influence survival rates, reproduction, and the overall health of the environment. For example, if the mean lifetime of a certain fish species decreases due to pollution, this could indicate a decline in water quality, prompting conservation efforts. Moreover, the concept of mean lifetime is not limited to natural sciences. In engineering and product design, knowing the mean lifetime of components can help manufacturers improve reliability and safety. For instance, if a company knows that the mean lifetime of a battery is five years, they can design their products accordingly, ensuring that consumers are aware of when to replace them. This knowledge also aids in warranty offerings and customer satisfaction, as consumers prefer products that have predictable lifespans. In summary, the mean lifetime is a fundamental concept across various disciplines, providing valuable insights that inform decisions and strategies. Whether in the realm of physics, biology, or engineering, understanding the average duration of existence or functionality can lead to advancements in technology, improvements in health care, and better environmental management. As we continue to explore and analyze different systems and their behaviors, the significance of the mean lifetime will undoubtedly remain a key factor in our understanding of the world around us. In conclusion, the mean lifetime serves as a bridge connecting theoretical knowledge with practical applications. It allows scientists, engineers, and ecologists to make informed predictions about the future based on past and present data. As we strive for innovation and sustainability, the study of mean lifetime will continue to be integral to our progress and understanding of both the natural and engineered worlds.

在科学领域，尤其是物理学和生物学中，mean lifetime（平均寿命）这一概念在理解各种现象方面发挥着至关重要的作用。mean lifetime指的是特定粒子、有机体或系统在衰变或死亡之前存在的平均时间。这一统计测量对于预测不同背景下的行为和结果至关重要，例如放射性衰变、种群动态，甚至工程中产品的使用寿命。 例如，在核物理学中，放射性同位素的mean lifetime表明样本中一半原子衰变所需的平均时间。这一信息对于医学应用至关重要，例如在诊断和治疗中使用放射性示踪剂。了解mean lifetime可以帮助科学家和医生计算适当的剂量和治疗时机，从而确保最大效果并最小化风险。 同样，在生态学中，物种的mean lifetime可以提供对其种群动态的洞察。通过研究生态系统中有机体的平均寿命，研究人员可以更好地理解影响生存率、繁殖和环境整体健康的因素。例如，如果某种鱼类的mean lifetime因污染而减少，这可能表明水质下降，从而促使保护措施的采取。 此外，mean lifetime的概念不仅限于自然科学。在工程和产品设计中，了解组件的mean lifetime可以帮助制造商提高可靠性和安全性。例如，如果一家公司知道电池的mean lifetime为五年，他们可以据此设计产品，确保消费者了解何时需要更换。这一知识也有助于保修提供和顾客满意度，因为消费者更喜欢具有可预测使用寿命的产品。 总之，mean lifetime是各个学科中的基本概念，提供了有价值的见解，指导决策和策略。无论是在物理学、生物学还是工程领域，理解存在或功能的平均持续时间都可以推动技术进步、改善医疗保健和更好地管理环境。随着我们继续探索和分析不同系统及其行为，mean lifetime的重要性无疑将仍然是我们理解周围世界的关键因素。 最后，mean lifetime作为连接理论知识与实际应用的桥梁。它使科学家、工程师和生态学家能够根据过去和现在的数据做出关于未来的明智预测。随着我们追求创新和可持续发展，对mean lifetime的研究将继续对我们在自然和工程世界中的进步和理解至关重要。