semaphore flag

简明释义

手旗

英英释义

例句

1.The railway station used semaphore flags to signal train arrivals and departures.

火车站使用信号旗来指示列车的到达和出发。

2.In the game, players must decipher the meaning of each semaphore flag to advance.

在游戏中，玩家必须解读每面信号旗的含义才能前进。

3.The ship used a semaphore flag to communicate its intentions to nearby vessels.

这艘船使用信号旗与附近的船只传达其意图。

4.The lifeguard raised a semaphore flag to indicate that swimming was not allowed due to dangerous conditions.

救生员举起了信号旗，以表示由于危险情况不允许游泳。

5.During the training exercise, the cadets practiced sending messages using semaphore flags.

在训练演习中，学员们练习使用信号旗发送消息。

作文

In the world of communication, various methods have been developed to convey messages over distances. One of the most fascinating and historical methods is the use of visual signals, particularly the semaphore flag system. The semaphore flag system employs two flags held in specific positions to represent different letters of the alphabet, allowing individuals to send messages without the need for verbal communication or electronic devices.The origins of the semaphore flag system can be traced back to the late 18th century when it was first used in military applications. It provided a way for armies to communicate across long distances, especially before the advent of telegraphy. The system was not only efficient but also relatively easy to learn, making it accessible for soldiers and sailors alike.To understand how the semaphore flag system works, one must visualize the two flags being manipulated by an operator. Each position of the flags corresponds to a letter or numeral, creating a code that can be deciphered by anyone familiar with the system. For example, when the flags are positioned at 90 degrees to each other, they may represent the letter 'A'. This method of signaling is particularly useful in maritime contexts, where ships can communicate their intentions or requests without needing to approach each other closely.The utility of the semaphore flag system extends beyond military and naval applications. It has also been used in various industries, including aviation and railway systems, to ensure safe operations. In these contexts, the semaphore flag acts as a visual cue that can alert workers to important information, such as the arrival of a train or the need for an aircraft to alter its course.Despite the rise of modern communication technologies, the semaphore flag system remains relevant today. Many maritime schools still teach this method as part of their training programs, emphasizing the importance of understanding traditional communication methods. Additionally, the semaphore flag system has found its place in recreational activities, such as scouting and outdoor adventures, where participants learn to use flags to signal messages across distances.Moreover, the semaphore flag system serves as a reminder of humanity's ingenuity in overcoming communication barriers. It showcases how simple tools can be employed to create complex systems of interaction. In an age dominated by digital communication, the charm of the semaphore flag system lies in its simplicity and effectiveness.In conclusion, the semaphore flag system is a remarkable example of how visual signals can facilitate communication across distances. Its historical significance, practical applications, and continued relevance in modern times highlight the enduring value of this method. By learning about the semaphore flag system, we not only appreciate the past but also enhance our understanding of communication as a whole. As we move forward in a rapidly changing world, it is essential to recognize and preserve the methods that have shaped our interactions throughout history.

在通信的世界中，各种方法被开发出来以传达远距离的信息。其中一种最引人入胜且历史悠久的方法是使用视觉信号，特别是使用信号旗系统。信号旗系统通过两个旗帜以特定位置持有来代表字母表中的不同字母，使个人能够在没有语言交流或电子设备的情况下发送信息。信号旗系统的起源可以追溯到18世纪末，当时它首次用于军事应用。它为军队提供了一种在长距离之间沟通的方式，尤其是在电报技术出现之前。这个系统不仅高效，而且相对容易学习，使士兵和水手都能掌握。要理解信号旗系统的工作原理，人们必须想象操作员操纵着两面旗帜。每个旗帜的位置对应一个字母或数字，形成一种代码，可以被任何熟悉该系统的人解读。例如，当旗帜以90度角定位时，它可能代表字母“A”。这种信号传递方法在海事背景中特别有用，船只可以在不需要彼此靠近的情况下传达他们的意图或请求。信号旗系统的实用性超越了军事和海军应用。它还被用于各种行业，包括航空和铁路系统，以确保安全运营。在这些背景下，信号旗作为视觉提示，可以提醒工作人员重要信息，例如火车的到达或飞机需要改变航向。尽管现代通信技术的兴起，信号旗系统今天仍然保持相关性。许多海事学校仍将这种方法作为培训项目的一部分进行教授，强调理解传统通信方法的重要性。此外，信号旗系统也在休闲活动中找到了自己的位置，例如童子军和户外冒险，其中参与者学习使用旗帜在远距离传递信息。此外，信号旗系统提醒我们人类在克服沟通障碍方面的聪明才智。它展示了如何利用简单的工具创建复杂的互动系统。在一个数字通信主导的时代，信号旗系统的魅力在于其简单性和有效性。总之，信号旗系统是视觉信号如何促进远距离通信的一个杰出例子。它的历史意义、实际应用以及在现代社会中的持续相关性突显了这一方法的持久价值。通过了解信号旗系统，我们不仅欣赏过去，还增强了对整体通信的理解。随着我们在快速变化的世界中向前发展，认识并保护那些塑造我们历史交互的方法是至关重要的。