infrasound

简明释义

英[ˈɪnfrəˌsaʊnd]美[ˈɪnfrəˌsaʊnd]

n. [声] 次声，亚声

英英释义

单词用法

同义词

反义词

例句

1.In 1972, Paris International Noise Professional Meeting gave a formal definition of infrasound, and discussed its exposure standards.

1972年，巴黎国际噪声专业会议正式确定了次声的定义，并对次声的暴露标准展开讨论。

2.Result:Compared with normal control group, apoptosis and necrosis rates of hippocampal cells in infrasound group increased significantly(P0.05).

结果：与正常对照组大鼠相比，次声组海马细胞凋亡率和坏死率显著升高（P0.05）。

3.Conclusion Infrasound can influence the function of immune lymphocytes in body.

结论次声能够影响机体免疫淋巴细胞的功能。

4.Those waves have frequencies in infrasound domain, the sound actually nobody knows, domain.

这些波的频率属次声域，是人类无法听见的声域。

5.So people are becoming increasingly aware of the importance in studying the mechanisms of the occurrence, spreading, biological effects and preventive measures of the infrasound.

因此，研究次声的发生、传播、生物学作用机制及制订相应的防护措施已越来越受到人们的重视。

6.Being inaudible and with a mechanism of bio-resonance, infrasound has a brilliant perspective when applied to biomedicine.

次声的作用机理是生物共振，次声应用于生物医学，前景将会十分广阔。

7.In this paper, the signal collection system and analytic system of transmission characteristic of infrasound are designed, which are used for testing the performance of infrasound.

本文设计了专门用于检测次声武器各项性能的次声波信号采集系统和传输特性分析系统。

8.The military employs infrasound technology for surveillance and detecting enemy movements.

军方利用次声技术进行监视和侦测敌方动向。

9.Scientists have found that infrasound can affect human emotions and physical health.

科学家发现，次声可能会影响人的情绪和身体健康。

10.Researchers use infrasound to monitor volcanic activity, as it can detect eruptions before they happen.

研究人员使用次声来监测火山活动，因为它可以在火山喷发之前探测到预兆。

11.Some researchers study the effects of infrasound on marine life, particularly whales.

一些研究人员研究次声对海洋生物，特别是鲸鱼的影响。

12.Certain animals, like elephants, communicate over long distances using infrasound.

某些动物，如大象，使用次声进行远距离交流。

作文

In recent years, the study of sound has expanded beyond the audible range that humans can hear. One fascinating area of research is the phenomenon known as infrasound, which refers to sound waves with frequencies below the lower limit of human audibility, typically under 20 Hz. This type of sound is not only intriguing for scientists but also has significant implications in various fields, including environmental monitoring, animal communication, and even disaster prediction. Understanding infrasound can provide valuable insights into our world and the natural processes that occur within it.To begin with, infrasound is produced by a variety of natural and artificial sources. Natural events such as earthquakes, volcanic eruptions, and ocean waves create infrasound waves that can travel long distances through the atmosphere. For instance, when a volcano erupts, it generates low-frequency sound waves that can be detected hundreds of kilometers away, providing early warning signs of potential disasters. Scientists have developed specialized instruments to monitor these sounds, allowing them to study the Earth's activities and improve our understanding of geological phenomena.Moreover, infrasound plays a crucial role in the animal kingdom. Many animals, including elephants and whales, use infrasound for communication over vast distances. Elephants, for example, can produce low-frequency rumbles that travel through the ground and air, enabling them to communicate with other herds that are miles away. This ability to send and receive infrasound signals helps maintain social bonds and coordinate movements among these majestic creatures. Similarly, whales utilize infrasound to navigate and communicate in the deep ocean, where higher frequency sounds may dissipate quickly.In addition to its natural occurrences, infrasound also has applications in technology and security. For instance, researchers have been exploring the use of infrasound in monitoring nuclear tests. Since nuclear explosions generate distinct low-frequency sound waves, the ability to detect these sounds can help verify compliance with international treaties aimed at preventing nuclear proliferation. Furthermore, infrasound has been employed in various military applications, including surveillance and detection of enemy movements.However, the study of infrasound is not without challenges. One significant concern is the potential impact of infrasound on human health. While most people cannot hear infrasound, there is evidence suggesting that exposure to these low-frequency sounds can lead to discomfort, anxiety, and even physical symptoms such as headaches and nausea. Researchers continue to investigate the effects of infrasound on human well-being, particularly in environments where it may be prevalent, such as near wind farms or industrial sites.In conclusion, the exploration of infrasound opens up a myriad of possibilities for understanding both our natural world and technological advancements. From monitoring geological events to facilitating animal communication and enhancing security measures, infrasound serves as a powerful tool across various disciplines. As research continues to evolve, we may uncover even more applications and implications of this fascinating aspect of sound that lies just beneath our perception. By embracing the study of infrasound, we can deepen our understanding of the Earth and its inhabitants, paving the way for innovative solutions to the challenges we face today.

近年来，声音的研究已超越了人类能够听到的可听范围。一个引人入胜的研究领域是被称为次声的现象，它指的是频率低于人类听觉下限的声波，通常在20赫兹以下。这种类型的声音不仅对科学家来说很有趣，而且在环境监测、动物沟通甚至灾害预测等多个领域具有重要意义。理解次声可以为我们提供关于世界和自然过程的重要见解。首先，次声由多种自然和人工来源产生。自然事件如地震、火山喷发和海洋波浪会产生次声波，这些波可以通过大气传播很长的距离。例如，当火山喷发时，它会产生低频声波，这些声波可以在数百公里外被探测到，为潜在灾害提供早期警告信号。科学家们开发了专门的仪器来监测这些声音，使他们能够研究地球活动，并改善我们对地质现象的理解。此外，次声在动物王国中也发挥着至关重要的作用。许多动物，包括大象和鲸鱼，利用次声进行远距离通信。例如，大象可以产生低频的隆隆声，这些声音可以通过地面和空气传播，使它们能够与数英里外的其他群体沟通。这种发送和接收次声信号的能力有助于维持社会联系并协调这些雄伟生物之间的移动。同样，鲸鱼利用次声在深海中导航和交流，在那里高频声音可能会迅速消散。除了自然现象，次声在技术和安全领域也有应用。例如，研究人员一直在探索使用次声监测核试验。由于核爆炸会产生明显的低频声波，因此检测这些声音的能力可以帮助验证国际条约的遵守情况，以防止核扩散。此外，次声还被用于各种军事应用，包括监视和检测敌方动向。然而，次声的研究并非没有挑战。一个重要的担忧是次声对人类健康的潜在影响。尽管大多数人无法听到次声，但有证据表明，暴露于这些低频声音中可能会导致不适、焦虑，甚至出现头痛和恶心等身体症状。研究人员继续调查次声对人类福祉的影响，特别是在可能存在这种声音的环境中，例如风电场或工业区。总之，探索次声为我们理解自然世界和技术进步开辟了无数可能性。从监测地质事件到促进动物沟通，再到增强安全措施，次声在各个学科中都作为一种强大的工具。随着研究的不断发展，我们可能会发现更多关于这一迷人声音方面的应用和影响，这些声音就隐藏在我们感知的边缘。通过拥抱次声的研究，我们可以加深对地球及其生物的理解，为应对当今面临的挑战铺平道路。