average life time

简明释义

平均寿命

英英释义

The average life time refers to the typical duration that an object, organism, or system is expected to exist or function before it ceases to operate or dies.

平均寿命是指一个物体、生命体或系统在停止运作或死亡之前,预计存在或运行的典型时间长度。

例句

1.The average life time of a human cell varies depending on the type of cell.

人类细胞的平均寿命因细胞类型而异。

2.The average life time of a light bulb is about 1,000 hours.

一个灯泡的平均寿命大约是1000小时。

3.On average, the average life time of a pet dog is between 10 to 15 years.

一般来说,宠物狗的平均寿命在10到15年之间。

4.Researchers found that the average life time of a smartphone battery is typically around 2 years.

研究人员发现,智能手机电池的平均寿命通常约为2年。

5.The average life time of a car tire can vary, but it's generally around 40,000 miles.

汽车轮胎的平均寿命可能会有所不同,但一般在4万英里左右。

作文

The concept of average life time refers to the typical duration that an individual or an object is expected to exist or function before it ceases to operate or dies. This term is widely used in various fields, including biology, engineering, and economics. Understanding the average life time of a product, for instance, can significantly influence consumer behavior and manufacturing processes. In biology, the average life time of a species provides valuable insights into its reproductive habits, ecological roles, and conservation needs. For example, many species of turtles have an average life time of over 50 years, which highlights their slow reproductive rates and the importance of protecting their habitats to ensure their survival. By studying the average life time of different organisms, researchers can develop strategies to conserve endangered species and maintain biodiversity. In the field of engineering, the average life time of materials and components is crucial for ensuring safety and reliability. Engineers often conduct tests to determine the lifespan of products such as bridges, vehicles, and electronic devices. For example, the average life time of a well-maintained car battery is typically around three to five years. Knowing this allows car manufacturers and consumers to plan for replacements and maintenance, ultimately leading to better performance and safety on the roads. Economically, the average life time of assets can impact financial planning and investment strategies. Businesses must consider the average life time of their equipment when making purchasing decisions. For instance, if a company invests in machinery with a short average life time, it may need to allocate more funds for replacements, affecting its overall profitability. Conversely, investing in high-quality equipment with a longer average life time can lead to significant cost savings over time. Furthermore, the average life time can also reflect societal trends. For example, as healthcare improves, the average life time of humans has increased significantly over the past century. In the early 1900s, the average life time was around 47 years, while today it has risen to over 80 years in many developed countries. This shift not only affects healthcare systems but also has implications for retirement planning, social security, and intergenerational relationships. In conclusion, the term average life time encompasses a variety of meanings across different domains. It plays a critical role in understanding biological species, ensuring the safety and reliability of engineering projects, guiding economic decisions, and reflecting societal changes. By comprehensively analyzing the average life time of various entities, we can make informed decisions that enhance sustainability and improve quality of life. As we continue to advance in technology and knowledge, the importance of understanding the average life time will only grow, shaping our future in profound ways.

“平均寿命”这一概念指的是个体或物体在停止运行或死亡之前,预期存在或功能的典型持续时间。这个术语广泛应用于生物学、工程学和经济学等多个领域。理解产品的平均寿命,例如,可以显著影响消费者行为和制造过程。在生物学中,物种的平均寿命提供了对其繁殖习性、生态角色和保护需求的宝贵见解。例如,许多海龟的平均寿命超过50年,这突显了它们缓慢的繁殖率以及保护栖息地以确保其生存的重要性。通过研究不同生物的平均寿命,研究人员可以制定保护濒危物种和维护生物多样性的策略。在工程领域,材料和组件的平均寿命对确保安全和可靠性至关重要。工程师通常会进行测试,以确定桥梁、车辆和电子设备等产品的使用寿命。例如,一块保养良好的汽车电池的平均寿命通常为三到五年。了解这一点使汽车制造商和消费者能够计划更换和维护,从而最终提高道路上的性能和安全性。从经济角度来看,资产的平均寿命可能会影响财务规划和投资策略。企业在做出采购决策时,必须考虑其设备的平均寿命。例如,如果一家公司投资于平均寿命较短的机械,它可能需要分配更多资金用于更换,这会影响整体盈利能力。相反,投资于平均寿命较长的高质量设备可以在长期内带来显著的成本节约。此外,平均寿命还可以反映社会趋势。例如,随着医疗保健的改善,人类的平均寿命在过去一个世纪显著增加。在20世纪初,平均寿命约为47岁,而如今在许多发达国家已上升到80岁以上。这一变化不仅影响医疗系统,还对退休规划、社会保障和代际关系产生影响。总之,平均寿命这一术语在不同领域具有多重含义。它在理解生物物种、确保工程项目的安全和可靠性、指导经济决策以及反映社会变迁方面发挥着关键作用。通过全面分析各种实体的平均寿命,我们可以做出明智的决策,从而增强可持续性并改善生活质量。随着技术和知识的不断进步,理解平均寿命的重要性将愈发凸显,在深刻影响我们未来的同时,也塑造着我们的生活方式。