call sign

简明释义

呼号

英英释义

例句

1.The emergency services dispatched units using their respective call signs.

紧急服务部门通过各自的呼号派遣单位。

2.In radio communications, each station has a unique call sign to identify itself.

在无线电通信中，每个站都有一个独特的呼号来识别自己。

3.The pilot announced their call sign as Alpha One during the flight.

飞行员在飞行中宣布他们的呼号为Alpha One。

4.Each military aircraft is assigned a call sign for operational security.

每架军用飞机都被分配一个呼号以确保操作安全。

5.When contacting air traffic control, always use your call sign clearly.

与空中交通管制联系时，始终清晰地使用你的呼号。

作文

In the world of aviation and telecommunications, the term call sign refers to a unique designation assigned to an aircraft, ship, or radio station. This identifier serves as a means of communication, allowing for clear and concise exchanges between operators and air traffic controllers or maritime authorities. The importance of a call sign cannot be overstated; it ensures that messages are directed to the correct recipient and helps avoid confusion in busy environments where multiple entities are operating simultaneously.The history of call signs dates back to the early days of radio communication. In the 20th century, as aviation became more prevalent, the need for standardized communication grew. Each aircraft was given a specific call sign, which often included a combination of letters and numbers that represented the aircraft’s registration or operational purpose. For instance, commercial airlines may use their company name followed by a flight number as their call sign. For example, American Airlines Flight 123 would use the call sign 'American 123'.In military aviation, call signs can take on a more personalized or tactical nature. Pilots may choose call signs based on their personalities, characteristics, or even humorous anecdotes. This practice not only fosters camaraderie among pilots but also adds an element of fun to the serious business of flying. For example, a pilot known for his speed might be given the call sign 'Flash', while another who is always late might be dubbed 'Slowpoke'.Beyond aviation, call signs are also crucial in maritime operations. Ships are assigned call signs that help identify them during communications with coast guards, port authorities, and other vessels. These identifiers often include the ship’s name along with a series of letters that denote its nationality or type. For instance, a cargo ship may have a call sign that starts with 'C' for Canada, followed by unique identifiers that distinguish it from other vessels.In addition to aviation and maritime contexts, call signs are also used in amateur radio and emergency services. Amateur radio operators, often referred to as 'hams', use call signs issued by government authorities to identify themselves during transmissions. This practice not only complies with regulations but also promotes accountability within the amateur radio community. Similarly, emergency services utilize call signs to ensure effective communication during critical situations, allowing responders to relay information swiftly and accurately.The significance of call signs extends beyond mere identification; they play a vital role in ensuring safety and efficiency in various fields. By providing a clear method of communication, call signs help prevent misunderstandings that could lead to dangerous situations. In aviation, for instance, a miscommunication due to a lack of proper call sign usage could result in collisions or other catastrophic events. Therefore, understanding and adhering to the protocols surrounding call signs is essential for anyone involved in these industries.In conclusion, the concept of a call sign is integral to effective communication in aviation, maritime, amateur radio, and emergency services. It serves as a unique identifier that facilitates safe and efficient operations across various fields. As technology continues to evolve, the importance of call signs remains steadfast, highlighting their role in promoting clarity and safety in our increasingly interconnected world.

在航空和电信领域，术语call sign指的是分配给飞机、船只或无线电台的唯一标识。这一标识作为一种沟通手段，使得操作员与空中交通控制员或海事当局之间能够进行清晰而简洁的交流。call sign的重要性不言而喻；它确保消息传递到正确的接收者，并帮助在多个实体同时操作的繁忙环境中避免混淆。call sign的历史可以追溯到无线电通信的早期阶段。在20世纪，随着航空业的日益普及，对标准化通信的需求不断增长。每架飞机都被赋予一个特定的call sign，通常包含代表飞机注册或操作目的的字母和数字组合。例如，商业航空公司可能会使用其公司名称后跟航班号作为其call sign。例如，美国航空的航班123将使用call sign 'American 123'。在军事航空中，call sign可能具有更个性化或战术性的性质。飞行员可能根据他们的个性、特征甚至幽默轶事选择call sign。这种做法不仅促进了飞行员之间的友谊，还为飞行这一严肃的业务增添了一丝乐趣。例如，以速度著称的飞行员可能被赋予call sign 'Flash'，而总是迟到的飞行员可能被称为'Slowpoke'。除了航空之外，call sign在海事操作中也至关重要。船只被分配call sign以帮助在与海岸警卫队、港口当局和其他船只的通信中进行识别。这些标识符通常包括船名以及一系列字母，表示其国籍或类型。例如，一艘货船可能有一个以'C'开头的call sign，代表加拿大，后面跟着独特的标识符，用于区分其他船只。除了航空和海事背景外，call sign在业余无线电和紧急服务中也被广泛使用。业余无线电操作员，通常称为'hams'，使用政府当局发放的call sign在传输时识别自己。这种做法不仅符合规定，还促进了业余无线电社区内的责任感。同样，紧急服务利用call sign确保在关键情况下有效沟通，使应急响应人员能够迅速准确地传递信息。call sign的重要性超越了简单的身份识别；它在确保各个领域的安全和效率方面发挥着至关重要的作用。通过提供清晰的沟通方式，call sign有助于防止可能导致危险情况的误解。例如，在航空中，由于缺乏适当的call sign使用而导致的误沟通可能会导致碰撞或其他灾难性事件。因此，理解和遵循与call sign相关的协议对于任何参与这些行业的人来说都是至关重要的。总之，call sign的概念对于航空、海事、业余无线电和紧急服务中的有效沟通至关重要。它作为一个独特的标识符，促进了各个领域的安全和高效操作。随着技术的不断发展，call sign的重要性依然坚定，突显了其在我们日益互联的世界中促进清晰和安全的作用。