fixed constant

简明释义

固定常数

英英释义

例句

1.When designing a circuit, engineers often rely on fixed constants 固定常量 like resistance and capacitance values.

在设计电路时，工程师通常依赖于像电阻和电容值这样的 固定常量 fixed constants。

2.The formula for calculating the area of a circle uses a fixed constant 固定常量 value of π.

计算圆的面积的公式使用了一个 固定常量 fixed constant 值，即π。

3.In mathematics, the number e is a fixed constant 固定常量 that is essential in calculus.

在数学中，数字e是微积分中一个至关重要的 固定常量 fixed constant。

4.In physics, the speed of light is considered a fixed constant 固定常量 in a vacuum.

在物理学中，光速被认为是真空中的一个 固定常量 fixed constant。

5.In programming, a fixed constant 固定常量 is often used to define values that should not change throughout the execution of the program.

在编程中，固定常量 fixed constant 通常用于定义在程序执行过程中不应改变的值。

作文

In the realm of mathematics and physics, the concept of a fixed constant plays a crucial role in understanding various phenomena. A fixed constant is a value that does not change regardless of the circumstances or conditions surrounding it. This idea is foundational in many scientific equations and theories, providing a stable reference point from which calculations can be made. For instance, in physics, the gravitational constant (denoted as G) is a fixed constant that describes the strength of the gravitational force between two masses. Its value is approximately 6.674 × 10^-11 N(m/kg)^2, and it remains the same irrespective of where in the universe it is measured.The importance of fixed constants extends beyond just theoretical applications; they are essential for practical applications as well. Engineers rely on these constants to design structures, vehicles, and systems that function reliably under a variety of conditions. For example, the speed of light in a vacuum, another fixed constant, is approximately 299,792,458 meters per second. This value is integral to the fields of telecommunications and astronomy, allowing for the calculation of distances in space and the transmission of signals over vast distances.Moreover, the presence of fixed constants simplifies complex problems. When scientists develop models to predict outcomes, these constants provide a baseline that helps to eliminate variables that could lead to confusion or inaccuracies. In statistics, for instance, the mean or average is often treated as a fixed constant when analyzing data sets, allowing researchers to draw conclusions based on a stable reference point. This practice enhances the reliability of scientific studies and fosters a deeper understanding of the underlying principles at play.However, it is also important to recognize that while fixed constants are invaluable, they are not universally applicable in every context. In certain scenarios, what may appear to be a fixed constant could be subject to change due to new discoveries or advancements in technology. For example, the fine-structure constant, which characterizes the strength of electromagnetic interactions, has been a topic of debate among physicists regarding its constancy. As research progresses, our understanding of these constants may evolve, leading to revised theories and models.In conclusion, the concept of a fixed constant is fundamental in both mathematics and science. It provides a stable framework for understanding and predicting natural phenomena, serving as a critical tool for researchers and engineers alike. While these constants offer simplicity and clarity in complex equations and models, it is essential to remain open to the possibility that our understanding of them may change as we continue to explore the universe. Embracing the dual nature of fixed constants—as both reliable references and potential subjects of inquiry—will ultimately enrich our pursuit of knowledge and innovation.

在数学和物理学领域，固定常数的概念在理解各种现象中发挥着至关重要的作用。固定常数是一个不随周围情况或条件而变化的值。这个理念在许多科学方程和理论中是基础性的，提供了一个稳定的参考点，从中可以进行计算。例如，在物理学中，重力常数（表示为G）是一个描述两个质量之间重力强度的固定常数。它的值大约为6.674 × 10^-11 N(m/kg)^2，无论在宇宙中的哪个地方测量，它的值都是相同的。固定常数的重要性不仅限于理论应用；它们对于实际应用也是必不可少的。工程师依赖这些常数来设计在各种条件下都能可靠运行的结构、车辆和系统。例如，真空中的光速是另一个固定常数，约为299,792,458米每秒。这个值在电信和天文学领域中至关重要，使得计算太空中的距离以及在广阔距离上传输信号成为可能。此外，固定常数的存在简化了复杂的问题。当科学家们开发模型来预测结果时，这些常数提供了一个基线，有助于消除可能导致混淆或不准确的变量。在统计学中，例如，均值或平均数在分析数据集时通常被视为固定常数，使研究人员能够基于一个稳定的参考点得出结论。这种做法增强了科学研究的可靠性，并加深了对潜在原理的理解。然而，也重要的是要认识到，虽然固定常数是无价的，但并不是在每个上下文中都普遍适用。在某些情况下，可能看似固定常数的东西可能由于新发现或技术进步而受到改变。例如，细结构常数，它表征电磁相互作用的强度，一直是物理学家争论其恒定性的主题。随着研究的进展，我们对这些常数的理解可能会演变，导致理论和模型的修订。总之，固定常数的概念在数学和科学中是基础性的。它为理解和预测自然现象提供了一个稳定的框架，作为研究人员和工程师的重要工具。虽然这些常数在复杂方程和模型中提供了简单性和清晰性，但保持对它们可能随着我们继续探索宇宙而改变的理解的开放态度也是至关重要的。接受固定常数的双重性质——既是可靠的参考，又是潜在的探究对象——最终将丰富我们对知识和创新的追求。