universal constant

简明释义

通用常数

英英释义

例句

1.The universal constant of the fine-structure constant determines the strength of electromagnetic interactions.

精细结构常数的普遍常数决定了电磁相互作用的强度。

2.The speed of light is considered a universal constant that plays a crucial role in the laws of physics.

光速被认为是一个普遍常数，在物理法则中起着至关重要的作用。

3.Scientists often refer to the Planck constant as a universal constant in quantum mechanics.

科学家们常常将普朗克常数称为量子力学中的普遍常数。

4.In cosmology, the Hubble constant is a universal constant that describes the rate of expansion of the universe.

在宇宙学中，哈勃常数是一个描述宇宙膨胀速度的普遍常数。

5.In Einstein's theory of relativity, the universal constant of gravitational force is essential for understanding how objects interact.

在爱因斯坦的相对论中，重力的普遍常数对于理解物体之间的相互作用至关重要。

作文

In the realm of science, certain principles and quantities are deemed to be unchanging and fundamental to our understanding of the universe. One such principle is the concept of a universal constant, which refers to a physical quantity that remains the same throughout the universe and does not vary with time or location. Examples of universal constants include the speed of light in a vacuum, denoted as 'c', and the gravitational constant, represented by 'G'. These constants play a crucial role in the laws of physics and are essential for calculations in various scientific fields.The speed of light, for instance, is approximately 299,792,458 meters per second. This universal constant is significant because it establishes the maximum speed at which information and matter can travel. According to Einstein's theory of relativity, nothing can exceed this speed, which leads to fascinating implications about time and space. For example, as an object approaches the speed of light, time appears to slow down for that object relative to a stationary observer. This phenomenon has been confirmed through various experiments and has profound implications for our understanding of the universe.On the other hand, the gravitational constant, which measures the strength of gravity between two objects, is another vital universal constant. Its value is approximately 6.674 × 10^-11 N(m/kg)^2. This constant is essential for calculating gravitational forces and understanding how objects interact with one another in space. Without this universal constant, our comprehension of planetary motion, black holes, and even the structure of the universe itself would be incomplete.The significance of universal constants extends beyond theoretical physics; they are also crucial in practical applications. Engineers and scientists rely on these constants to design everything from satellites to bridges, ensuring that their calculations are accurate and reliable. For example, when launching a satellite into orbit, precise calculations involving the gravitational constant are necessary to determine the correct trajectory and speed needed to achieve a stable orbit around the Earth.Moreover, the study of universal constants often leads to deeper insights into the nature of reality. Physicists continually seek to understand why these constants have the values they do and whether they could change under different conditions. Some theories suggest that there may be other universal constants yet to be discovered, which could further enhance our understanding of the cosmos.In conclusion, the concept of a universal constant is fundamental to the sciences, providing a foundation upon which many theories and applications are built. From the speed of light to the gravitational constant, these quantities help us navigate and comprehend the complexities of the universe. As we continue to explore and investigate the natural world, the importance of universal constants will undoubtedly remain at the forefront of scientific inquiry, guiding us toward new discoveries and advancements in technology. Understanding these constants not only enriches our knowledge but also inspires a sense of wonder about the universe we inhabit.

在科学领域，某些原则和量被认为是不变的，并且是我们理解宇宙的基础。这样的一个原则是普遍常数的概念，它指的是一个物理量，在整个宇宙中保持不变，并且不随时间或地点而变化。普遍常数的例子包括真空中的光速，表示为'c'，以及引力常数，用'G'表示。这些常数在物理定律中发挥着至关重要的作用，并且对于各个科学领域的计算都是必不可少的。例如，光速约为299,792,458米每秒。这个普遍常数之所以重要，是因为它确定了信息和物质可以传播的最大速度。根据爱因斯坦的相对论，没有什么可以超过这个速度，这导致了关于时间和空间的迷人含义。例如，当一个物体接近光速时，对于那个物体来说，时间相对于静止观察者似乎减缓了。这一现象已经通过各种实验得到了证实，并对我们对宇宙的理解产生了深远的影响。另一方面，引力常数，测量两个物体之间的引力强度，是另一个重要的普遍常数。它的值大约为6.674 × 10^-11 N(m/kg)^2。这个常数对计算引力和理解物体在空间中的相互作用至关重要。如果没有这个普遍常数，我们对行星运动、黑洞甚至宇宙结构的理解将是不完整的。普遍常数的重要性不仅限于理论物理；它们在实际应用中也至关重要。工程师和科学家依赖这些常数来设计从卫星到桥梁的一切，确保他们的计算准确可靠。例如，在将卫星发射入轨道时，涉及引力常数的精确计算是必要的，以确定实现稳定轨道所需的正确轨迹和速度。此外，对普遍常数的研究往往会导致对现实本质的更深入见解。物理学家不断寻求理解这些常数为何具有它们的值，以及在不同条件下是否可能发生变化。一些理论表明，可能还有其他尚待发现的普遍常数，这可能进一步增强我们对宇宙的理解。总之，普遍常数的概念是科学的基础，为许多理论和应用提供了基础。从光速到引力常数，这些量帮助我们导航和理解宇宙的复杂性。随着我们继续探索和研究自然世界，普遍常数的重要性无疑将始终处于科学探究的前沿，引导我们走向新的发现和技术进步。理解这些常数不仅丰富了我们的知识，而且激发了对我们所居住的宇宙的敬畏感。