speed of sound

简明释义

音速

英英释义

例句

1.During the experiment, we measured how the speed of sound changes with temperature.

在实验中，我们测量了音速如何随着温度变化。

2.The fighter jet broke the speed of sound when it flew overhead.

战斗机在头顶飞过时突破了音速。

3.Astronauts need to understand the speed of sound when re-entering the Earth's atmosphere.

宇航员在重新进入地球大气层时需要了解音速。

4.Sound travels faster in water than in air, but it still doesn't exceed the speed of sound in a vacuum.

声音在水中的传播速度比在空气中快，但仍然没有超过真空中的音速。

5.The speed of sound is approximately 343 meters per second at room temperature.

在室温下，音速约为每秒343米。

作文

The concept of the speed of sound is fascinating and plays a crucial role in various fields, including physics, engineering, and even music. The speed of sound refers to the distance that sound waves travel through a medium in a given amount of time. In air at sea level and at a temperature of 20 degrees Celsius, the speed of sound is approximately 343 meters per second. This speed can vary depending on several factors such as temperature, humidity, and the medium through which the sound is traveling.Understanding the speed of sound is essential for many applications. For instance, in aviation, pilots must be aware of the speed of sound when flying at high altitudes. When an aircraft approaches the speed of sound, it reaches a critical threshold known as "transonic" speed. This is where the aircraft may experience shock waves, leading to a phenomenon called sonic boom when it exceeds the speed of sound. A sonic boom occurs when the pressure waves created by an object traveling faster than sound compress and create a loud noise as they reach the ground.In the field of music, the speed of sound also has significant implications. Musicians often consider the speed of sound when tuning their instruments or performing in different environments. For example, in a concert hall, the acoustics can affect how sound travels, and musicians need to adjust their playing to ensure harmony. The speed of sound in water is much faster than in air, about 1,480 meters per second, which is why underwater sounds can be heard from great distances. This difference in speed of sound between mediums is crucial for underwater communication and navigation.Moreover, the speed of sound is not just a physical measurement; it also has philosophical implications. The idea that sound can travel at a finite speed challenges our perception of reality. It reminds us that there are limits to how quickly we can receive information, which can affect decision-making processes in critical situations. For example, in emergency response scenarios, understanding the speed of sound can help responders gauge how quickly they can expect to hear sounds, such as alarms or cries for help, which can be vital for timely assistance.In conclusion, the speed of sound is a fundamental concept that transcends mere numbers. It influences various domains, from aviation to music and even emergency management. By grasping the significance of the speed of sound, we can better appreciate the world around us and the intricate ways in which sound interacts with our environment. As we continue to explore the properties of sound, we gain deeper insights into not only the physical world but also our experiences and interactions within it.

“音速”这一概念令人着迷，并在物理学、工程学甚至音乐等多个领域发挥着关键作用。“音速”是指声波在某种介质中以一定时间内传播的距离。在海平面和20摄氏度的空气中，“音速”大约为每秒343米。这个速度会因温度、湿度以及声波传播的介质而有所不同。理解“音速”对许多应用至关重要。例如，在航空领域，飞行员必须了解在高海拔飞行时的“音速”。当一架飞机接近“音速”时，它会达到一个称为“超音速”的临界阈值。在这一阶段，飞机可能会经历冲击波，当它超过“音速”时，会产生一种称为音爆的现象。音爆发生在物体以超过音速的速度移动时，所产生的压力波被压缩并在到达地面时发出巨大的噪声。在音乐领域，“音速”同样具有重要意义。音乐家在调音或在不同环境中演出时，通常会考虑“音速”。例如，在音乐厅中，音响效果会影响声音的传播，因此音乐家需要调整演奏，以确保和谐。水中的“音速”比空气中快得多，约为每秒1480米，这就是为什么水下声音可以从很远的地方听到。这种介质之间的“音速”差异对于水下通信和导航至关重要。此外，“音速”不仅仅是一个物理测量；它还具有哲学意义。声音以有限的速度传播的想法挑战了我们对现实的感知。它提醒我们，接收信息的速度是有限的，这可能会影响关键情况下的决策过程。例如，在紧急响应场景中，理解“音速”可以帮助响应者估计他们可以多快听到声音，例如警报或求救声，这对及时援助至关重要。总之，“音速”是一个基本概念，超越了单纯的数字。它影响着从航空到音乐乃至紧急管理的多个领域。通过掌握“音速”的重要性，我们可以更好地欣赏周围的世界以及声音与我们环境之间错综复杂的互动方式。随着我们继续探索声音的特性，我们对物理世界以及我们在其中的体验和互动有了更深刻的理解。