short wave

简明释义

短波

英英释义

例句

1.Many amateur radio enthusiasts use short wave 短波 to communicate with others around the world.

许多业余无线电爱好者使用短波 短波与世界各地的人进行交流。

2.I enjoy listening to international news on short wave 短波 radio during my travels.

我在旅行时喜欢通过短波 短波收音机收听国际新闻。

3.The radio station broadcasts on short wave 短波 frequencies, allowing listeners to tune in from great distances.

这个广播电台使用短波 短波频率播音，使听众能够从远处收听。

4.The short wave 短波 bands are particularly useful for long-distance communication.

对于长距离通信，短波 短波频段特别有用。

5.During the storm, I relied on short wave 短波 radio to receive weather updates.

在暴风雨期间，我依靠短波 短波收音机接收天气更新。

作文

The concept of short wave refers to a specific range of radio frequencies that are used for long-distance communication. These frequencies typically range from 3 to 30 megahertz (MHz), allowing them to travel great distances by reflecting off the ionosphere. This phenomenon is particularly useful for international broadcasting and communication, as it enables signals to reach far-off places where traditional communication methods may fail. In recent years, the use of short wave technology has evolved, adapting to the modern needs of global connectivity. One of the most notable advantages of short wave radio is its ability to cover vast geographical areas. For instance, during emergencies or natural disasters, when local communication infrastructure might be compromised, short wave radio can provide a reliable means of disseminating information. Organizations like the Red Cross often utilize short wave communication to coordinate relief efforts across different countries. Moreover, short wave radio broadcasts have been instrumental in promoting cultural exchange and understanding. Many countries use short wave frequencies to broadcast their languages and cultures to audiences worldwide. This not only helps preserve linguistic diversity but also fosters a sense of global community. Audiences in remote areas can access news, music, and educational programs through short wave transmissions, enriching their lives with content that they might not otherwise encounter. However, the rise of digital communication technologies has posed challenges to short wave radio. With the advent of the internet and satellite communications, some have questioned the relevance of short wave broadcasting. Despite these advancements, many enthusiasts argue that short wave radio offers unique benefits that digital platforms cannot replicate. For example, short wave radio does not require an internet connection, making it accessible in areas with limited technological infrastructure. Additionally, the ability to listen to short wave broadcasts can foster a sense of independence and self-reliance, as listeners can tune in without relying on commercial media sources. In conclusion, the significance of short wave technology in communication cannot be overstated. It plays a crucial role in connecting people across vast distances, especially during times of crisis. Furthermore, it serves as a platform for cultural exchange and education, enriching lives around the globe. While digital technologies continue to advance, short wave radio remains a valuable tool for fostering global communication and understanding. As we move forward, it is essential to recognize and appreciate the enduring impact of short wave technology in our interconnected world.

短波的概念是指用于远程通信的一种特定频率范围。这些频率通常在3到30兆赫（MHz）之间，使它们能够通过反射电离层传播较远的距离。这一现象对于国际广播和通信尤为重要，因为它使信号能够到达偏远地区，而传统的通信方式可能无法实现。近年来，短波技术已经发展，适应全球互联互通的现代需求。短波无线电的一个显著优势是其覆盖广阔地理区域的能力。例如，在紧急情况或自然灾害发生时，当地方通信基础设施可能受到损害时，短波无线电可以提供可靠的信息传播手段。红十字会等组织通常利用短波通信来协调不同国家的救援工作。此外，短波无线电广播在促进文化交流和理解方面发挥了重要作用。许多国家利用短波频率向全球观众广播他们的语言和文化。这不仅有助于保护语言多样性，还促进了全球社区意识。在偏远地区，观众可以通过短波传输获取新闻、音乐和教育节目，丰富他们的生活，接触到他们可能不会遇到的内容。然而，数字通信技术的兴起对短波无线电带来了挑战。随着互联网和卫星通信的出现，一些人质疑短波广播的相关性。尽管这些进步，许多爱好者认为短波无线电提供了数字平台无法复制的独特优势。例如，短波无线电不需要互联网连接，因此在技术基础设施有限的地区也能访问。此外，收听短波广播的能力可以培养独立性和自力更生的意识，因为听众可以在不依赖商业媒体来源的情况下收听。总之，短波技术在通信中的重要性不言而喻。它在连接遥远距离的人们方面发挥着至关重要的作用，尤其是在危机时期。此外，它作为文化交流和教育的平台，丰富了全球人民的生活。尽管数字技术不断进步，短波无线电仍然是促进全球沟通和理解的宝贵工具。随着我们向前发展，认识和欣赏短波技术在我们互联世界中的持久影响至关重要。