time derivative

简明释义

时间导数

英英释义

The time derivative of a function is the rate at which the function's value changes with respect to time, typically represented as the derivative of the function with respect to the variable time.

时间导数是一个函数值随时间变化的速率,通常表示为该函数对时间变量的导数。

例句

1.In physics, the time derivative 时间导数 of position gives us the velocity of an object.

在物理学中,位置的时间导数 时间导数给我们物体的速度。

2.In engineering, the time derivative 时间导数 of stress can be crucial for analyzing material fatigue.

在工程学中,应力的时间导数 时间导数对于分析材料疲劳至关重要。

3.The time derivative 时间导数 of the temperature function helps us understand how fast the temperature is changing.

温度函数的时间导数 时间导数帮助我们理解温度变化的速度。

4.The time derivative 时间导数 of velocity is acceleration, which indicates how quickly an object's speed changes.

速度的时间导数 时间导数是加速度,它表示物体速度变化的快慢。

5.In calculus, finding the time derivative 时间导数 of a function can reveal its rate of change over time.

在微积分中,求一个函数的时间导数 时间导数可以揭示它随时间的变化率。

作文

The concept of a time derivative is fundamental in both physics and mathematics, serving as a critical tool for understanding how quantities change over time. In calculus, the time derivative measures the rate at which a quantity evolves with respect to time, providing insights into dynamic systems. For instance, in physics, when we analyze the motion of an object, we often look at its position as a function of time. The time derivative of this position function gives us the velocity of the object, indicating how fast and in what direction it is moving. Similarly, if we take the time derivative of the velocity function, we obtain the acceleration, which tells us how the object's speed is changing over time.In practical applications, the time derivative is used extensively. Engineers utilize it in designing vehicles, aircraft, and various machinery to ensure safety and efficiency. By understanding how different forces affect motion through their time derivatives, they can predict outcomes and optimize performance. For example, in automotive engineering, analyzing the time derivative of speed can help engineers design better braking systems that respond effectively to driver inputs.Moreover, in the field of economics, the time derivative plays a vital role in modeling growth rates. Economists often examine how variables such as GDP, inflation, and employment change over time by calculating their time derivatives. This information is crucial for policymakers who need to make informed decisions regarding fiscal and monetary policies. By understanding the time derivative of economic indicators, they can anticipate future trends and adjust their strategies accordingly.In the realm of environmental science, the time derivative is also significant. Researchers study changes in climate data over time, such as temperature and sea level rise, using time derivatives to understand the rate of these changes. This analysis helps in predicting future climate scenarios and formulating responses to mitigate adverse effects. Furthermore, in the context of biology, the time derivative can describe the growth rates of populations or the spread of diseases. By applying the time derivative to population models, biologists can predict how species will grow or decline over time, which is essential for conservation efforts and managing ecosystems.In summary, the time derivative is a powerful mathematical tool that allows us to quantify change over time in various fields. Its applications span from physics to economics, engineering, environmental science, and biology, making it an indispensable concept in understanding the dynamics of the world around us. Mastering the time derivative not only enhances our analytical skills but also equips us with the ability to make informed decisions based on how systems evolve. As we continue to explore and innovate, the importance of the time derivative will only grow, reinforcing its role as a cornerstone of scientific inquiry and practical application.

“时间导数”这个概念在物理学和数学中是基础的,它作为理解量随时间变化的重要工具。在微积分中,“时间导数”测量一个量随时间演变的速率,为动态系统提供了洞察。例如,在物理学中,当我们分析物体的运动时,我们通常将其位置视为时间的函数。这个位置函数的“时间导数”给出了物体的速度,指示它移动的快慢和方向。类似地,如果我们取速度函数的“时间导数”,我们就能得到加速度,这告诉我们物体的速度如何随时间变化。在实际应用中,“时间导数”被广泛使用。工程师在设计车辆、飞机和各种机械设备时利用它,以确保安全和效率。通过理解不同力量如何通过其“时间导数”影响运动,他们可以预测结果并优化性能。例如,在汽车工程中,分析速度的“时间导数”可以帮助工程师设计出更好的制动系统,以有效响应驾驶者的输入。此外,在经济学领域,“时间导数”在建模增长率方面也发挥着重要作用。经济学家经常通过计算GDP、通货膨胀和就业等变量随时间变化的“时间导数”来研究这些变量。这个信息对于需要在财政和货币政策上做出明智决策的政策制定者来说至关重要。通过理解经济指标的“时间导数”,他们可以预测未来趋势并相应调整策略。在环境科学领域,“时间导数”同样重要。研究人员研究气候数据随时间变化,例如温度和海平面上升,使用“时间导数”来理解这些变化的速率。这种分析有助于预测未来的气候情景,并制定应对措施以减轻不利影响。此外,在生物学的背景下,“时间导数”可以描述种群的增长率或疾病的传播。通过将“时间导数”应用于种群模型,生物学家可以预测物种如何随时间增长或衰退,这对于保护工作和管理生态系统至关重要。总之,“时间导数”是一个强大的数学工具,使我们能够量化各个领域随时间的变化。它的应用范围从物理学到经济学、工程学、环境科学和生物学,使其成为理解我们周围世界动态的不可或缺的概念。掌握“时间导数”不仅增强我们的分析能力,还使我们能够根据系统演变做出明智的决策。随着我们继续探索和创新,“时间导数”的重要性将只会增加,进一步巩固其作为科学探究和实际应用基石的角色。

相关单词

derivative

derivative详解:怎么读、什么意思、用法