sound channel

简明释义

伴音信道

英英释义

例句

1.The submarine used the sound channel to communicate with the surface ship.

潜艇利用声道与水面舰艇进行通信。

2.The sound channel allows sound to travel long distances in the ocean.

声道使声音能够在海洋中传播很长的距离。

3.In oceanography, the sound channel is crucial for understanding underwater acoustics.

在海洋学中，声道对于理解水下声学至关重要。

4.Marine biologists study how whales use the sound channel for navigation.

海洋生物学家研究鲸鱼如何利用声道进行导航。

5.During the experiment, we measured the depth of the sound channel at various locations.

在实验中，我们测量了不同位置的声道深度。

作文

In the vast realm of oceanography, one of the most intriguing phenomena is the existence of a sound channel. A sound channel is essentially a layer of water in the ocean where sound waves can travel long distances with minimal loss of energy. This phenomenon occurs due to variations in temperature, salinity, and pressure that create a unique environment for sound propagation. Understanding the sound channel is crucial for various applications, including submarine communication, marine biology research, and environmental monitoring.The concept of the sound channel can be illustrated by considering how sound behaves in different layers of water. In the upper layers of the ocean, sound waves tend to scatter and dissipate quickly because of surface turbulence and varying temperatures. However, as these waves descend into deeper waters, they encounter a layer known as the deep sound channel (DSC), which is characterized by a rapid increase in pressure and a decrease in temperature. This specific combination creates a 'refractive' zone where sound waves are bent back towards the deeper parts of the ocean, allowing them to travel hundreds, if not thousands, of kilometers without significant loss of intensity.One of the most fascinating aspects of the sound channel is its role in marine life. Many species of marine animals, such as whales and dolphins, rely on sound for communication, navigation, and hunting. The sound channel serves as a natural highway for these creatures, enabling their calls to carry over great distances. For example, the songs of humpback whales can be heard up to 20 miles away, thanks to the favorable conditions provided by the sound channel. This ability to communicate across vast distances is vital for their social interactions and mating rituals.Moreover, the sound channel is also an essential factor in naval operations. Submarines utilize this phenomenon to communicate and navigate stealthily. By sending sound signals through the sound channel, submarines can relay information without surfacing, thus maintaining their covert status. This capability has significant implications for national security and maritime operations, as it allows for effective communication even in hostile environments.Environmental scientists also take advantage of the sound channel to monitor ocean health and climate change. By deploying underwater microphones, or hydrophones, researchers can listen to the sounds of marine life and detect changes in biodiversity. These sounds can provide insights into the effects of climate change, such as shifts in species distribution and the health of coral reefs. The sound channel thus acts as a critical tool for understanding our oceans and the impacts of human activity on marine ecosystems.In conclusion, the sound channel is a remarkable feature of the ocean that plays a vital role in communication, navigation, and research. Its ability to facilitate long-distance sound transmission has profound implications for marine life, military operations, and environmental monitoring. As we continue to explore and understand our oceans, the sound channel will undoubtedly remain a key area of interest for scientists and researchers alike. By studying this phenomenon, we can gain valuable insights into the intricate relationships within marine ecosystems and enhance our efforts to protect and preserve our oceans for future generations.

在海洋学的广阔领域中，最引人入胜的现象之一就是存在一个声道。声道本质上是海洋中一层水，声音波可以在其中以最小的能量损失长距离传播。这种现象由于温度、盐度和压力的变化而发生，创造了一个独特的声波传播环境。理解声道对于各种应用至关重要，包括潜艇通信、海洋生物研究和环境监测。声道的概念可以通过考虑声音在不同水层中的行为来说明。在海洋的上层，声音波往往因为表面湍流和温度变化而快速散射和消散。然而，当这些波下降到更深的水域时，它们会遇到一个称为深声道（DSC）的层次，该层次的特点是压力迅速增加和温度下降。这种特定组合创造了一个“折射”区，声音波被弯曲回向海洋的更深部分，使它们能够在没有显著强度损失的情况下传播数百甚至数千公里。声道最迷人的方面之一是它在海洋生物中的作用。许多海洋动物物种，如鲸鱼和海豚，依赖声音进行交流、导航和捕猎。声道作为这些生物的自然通道，使它们的叫声能够在很远的地方传播。例如，由于声道提供的有利条件，座头鲸的歌声可以在20英里外被听到。这种跨越巨大距离进行交流的能力对它们的社会互动和求偶仪式至关重要。此外，声道也是海军行动中的一个重要因素。潜艇利用这一现象进行隐秘通信和导航。通过将声音信号发送通过声道，潜艇可以在不浮出水面的情况下传递信息，从而保持其隐蔽状态。这种能力对国家安全和海事行动具有重要意义，因为它使得在敌对环境中有效沟通成为可能。环境科学家也利用声道来监测海洋健康和气候变化。通过部署水下麦克风或水听器，研究人员可以倾听海洋生物的声音，并检测生物多样性的变化。这些声音可以提供关于气候变化影响的见解，例如物种分布的变化和珊瑚礁的健康状况。因此，声道作为理解我们海洋及人类活动对海洋生态系统影响的重要工具。总之，声道是海洋的一个显著特征，在通信、导航和研究中发挥着至关重要的作用。其促进长距离声音传播的能力对海洋生物、军事行动和环境监测具有深远的影响。随着我们继续探索和理解我们的海洋，声道无疑将继续成为科学家和研究人员关注的关键领域。通过研究这一现象，我们可以获得对海洋生态系统内复杂关系的宝贵洞察，并增强我们保护和维护海洋的努力，以造福未来世代。