medium short wave
简明释义
中短波
英英释义
A range of radio frequencies that are shorter than medium waves but longer than short waves, typically used for certain types of broadcasting. | 一种频率范围,介于中波和短波之间,通常用于某些类型的广播。 |
例句
1.During the storm, we relied on our medium short wave (中短波) radio for updates and emergency information.
在暴风雨期间,我们依靠我们的medium short wave(中短波)收音机获取更新和紧急信息。
2.Our old radio still works well on medium short wave (中短波), allowing us to listen to international broadcasts.
我们的旧收音机在medium short wave(中短波)上仍然运作良好,让我们能够收听国际广播。
3.The radio station broadcasts on a frequency classified as medium short wave (中短波) to reach a wider audience.
这家电台在一个被归类为medium short wave(中短波)的频率上广播,以覆盖更广泛的受众。
4.The medium short wave (中短波) band is particularly useful in areas with limited internet access.
在网络接入有限的地区,medium short wave(中短波)频段特别有用。
5.Many amateur radio operators prefer using medium short wave (中短波) for long-distance communication.
许多业余无线电操作员更喜欢使用medium short wave(中短波)进行长距离通信。
作文
The world of radio communication is vast and complex, featuring various frequencies and wavelengths that serve different purposes. One particularly interesting aspect of this field is the concept of medium short wave (中短波). This range of wavelengths plays a crucial role in broadcasting and communication, especially in areas where other forms of transmission may not be as effective. In this essay, I will explore the characteristics, advantages, and applications of medium short wave (中短波) to provide a deeper understanding of its significance in our daily lives.Firstly, it is essential to define what medium short wave (中短波) actually refers to. Generally, this term encompasses radio frequencies that fall within the range of 300 kHz to 3 MHz. These waves are longer than those used in FM and AM broadcasting but shorter than long waves. The unique properties of medium short wave (中短波) allow it to travel significant distances, especially at night when atmospheric conditions are favorable. This characteristic makes it an ideal choice for international broadcasting, enabling stations to reach audiences across borders.One of the primary advantages of medium short wave (中短波) is its ability to penetrate various environmental obstacles. Unlike higher frequency signals that can be easily obstructed by buildings and natural terrain, medium short wave (中短波) can diffract around these barriers, ensuring that the signal remains strong even in challenging conditions. This feature is particularly beneficial in rural or remote areas where access to reliable communication channels is limited. For instance, many countries rely on medium short wave (中短波) radio to provide news and information to communities that might otherwise be disconnected from mainstream media.Moreover, medium short wave (中短波) is often used by emergency services and government agencies to communicate during crises. Its reliability and extensive coverage make it a valuable tool in situations where other forms of communication may fail. During natural disasters, for example, medium short wave (中短波) broadcasts can provide essential updates and instructions to affected populations, helping to save lives and facilitate recovery efforts.In addition to its practical applications, medium short wave (中短波) also has cultural significance. Many people around the world still enjoy listening to medium short wave (中短波) radio stations as a source of entertainment and information. These broadcasts often feature local music, news, and talk shows that reflect the diverse cultures and languages of their listeners. As a result, medium short wave (中短波) serves not only as a means of communication but also as a bridge that connects people and communities across geographical boundaries.In conclusion, the concept of medium short wave (中短波) is integral to the world of radio communication. Its unique characteristics enable it to traverse great distances and overcome obstacles, making it a reliable choice for broadcasting and emergency communication. Moreover, its cultural impact cannot be overlooked, as it continues to connect people through shared information and entertainment. Understanding medium short wave (中短波) allows us to appreciate the complexities of communication technology and its vital role in our interconnected world.
无线电通信的世界广阔而复杂,涉及各种频率和波长,服务于不同的目的。其中一个特别有趣的方面是中短波(medium short wave)的概念。这一波长范围在广播和通信中发挥着至关重要的作用,尤其是在其他传播形式可能不那么有效的地区。在这篇文章中,我将探讨中短波(medium short wave)的特征、优势和应用,以提供对其在我们日常生活中重要性的更深入理解。首先,有必要定义中短波(medium short wave)实际上指的是什么。一般来说,这个术语涵盖了300 kHz到3 MHz范围内的无线电频率。这些波长比FM和AM广播使用的波长更长,但比长波更短。中短波(medium short wave)的独特特性使其能够在夜间气象条件有利时传播较远的距离。这一特性使其成为国际广播的理想选择,使电台能够跨越国界接触听众。中短波(medium short wave)的主要优势之一是其穿透各种环境障碍的能力。与容易被建筑物和自然地形阻挡的高频信号不同,中短波(medium short wave)可以绕过这些障碍,从而确保信号在困难条件下仍然强劲。这一特性在农村或偏远地区尤为有益,因为这些地方的可靠通信渠道有限。例如,许多国家依赖中短波(medium short wave)广播为社区提供新闻和信息,这些社区可能会与主流媒体隔绝。此外,中短波(medium short wave)通常被应急服务和政府机构用于危机期间的通信。其可靠性和广泛的覆盖范围使其在其他通信形式可能失效的情况下成为一种宝贵的工具。在自然灾害期间,例如,中短波(medium short wave)广播可以向受影响的人群提供重要的更新和指示,帮助拯救生命并促进恢复工作。除了其实用应用外,中短波(medium short wave)在文化上也具有重要意义。世界各地的许多人仍然喜欢收听中短波(medium short wave)电台,作为娱乐和信息的来源。这些广播通常播放当地音乐、新闻和反映听众多样文化和语言的脱口秀。因此,中短波(medium short wave)不仅作为通信手段,还作为连接不同地区人群和社区的桥梁。总之,中短波(medium short wave)的概念对无线电通信的世界至关重要。其独特的特性使其能够跨越巨大的距离并克服障碍,使其成为广播和紧急通信的可靠选择。此外,其文化影响也不可忽视,因为它继续通过共享信息和娱乐将人们联系在一起。理解中短波(medium short wave)使我们能够欣赏通信技术的复杂性及其在我们互联世界中的重要作用。