approach signal

简明释义

进港信号

英英释义

An approach signal is a type of railway signal that indicates to a train the status of the tracks ahead, typically used to prepare the train for upcoming conditions such as speed restrictions or the presence of other trains.

接近信号是一种铁路信号,指示火车前方轨道的状态,通常用于准备火车应对即将到来的情况,如速度限制或其他火车的存在。

例句

1.Before entering the busy airspace, the aircraft received an approach signal 接近信号 from air traffic control.

在进入繁忙空域之前,飞机收到了来自空中交通管制的接近信号

2.The approach signal 接近信号 turned red, warning drivers to prepare to stop.

接近信号变为红色,警告驾驶员准备停车。

3.Pilots must pay close attention to the approach signal 接近信号 during landing to ensure a safe touchdown.

飞行员在着陆时必须密切注意接近信号以确保安全着陆。

4.The approach signal 接近信号 is crucial for trains to avoid collisions.

接近信号对于火车避免碰撞至关重要。

5.The train slowed down as it passed the approach signal 接近信号 indicating it was nearing a station.

火车在经过接近信号时减速,表示它即将到达一个车站。

作文

In the world of transportation, communication is key to ensuring safety and efficiency. One critical aspect of this communication is the use of signals, particularly in railway systems. Among these signals, the approach signal plays a vital role in guiding trains as they approach stations or junctions. Understanding the function and importance of the approach signal can enhance our appreciation of how complex transportation networks operate smoothly.The approach signal serves as a warning to train operators, indicating that they are nearing a point where they must reduce speed or prepare for a stop. This signal is crucial because it provides the necessary time for the train crew to react appropriately, ensuring both passenger safety and the smooth flow of rail traffic. Without such signals, the risk of accidents would significantly increase, leading to potential disasters.For instance, imagine a scenario where a train is traveling at high speed towards a station without any warning signals. The conductor might not have sufficient time to slow down or stop, resulting in a collision with other trains or obstacles on the track. Here, the approach signal acts as an essential precautionary measure, allowing the train to decelerate safely and arrive at its destination without incident.Moreover, the approach signal is not just a single entity; it is part of a broader signaling system that includes various types of signals designed for different situations. These signals work in harmony to create a safe environment for train operations. The approach signal, specifically, is often combined with other signals that provide additional information about track conditions, speed limits, and upcoming junctions.In many countries, the design and implementation of the approach signal are governed by strict regulations and standards. Engineers and railway authorities meticulously plan the placement of these signals to ensure maximum visibility and effectiveness. Factors such as sight lines, distance from the track, and environmental conditions are all taken into account to optimize the signaling system.Furthermore, advancements in technology have led to the development of more sophisticated signaling systems that enhance the functionality of the approach signal. For example, modern signaling systems may incorporate electronic displays that provide real-time information to train operators. These innovations help to further reduce the chances of human error and improve overall safety in railway operations.In conclusion, the approach signal is a fundamental component of railway safety and efficiency. It allows train crews to prepare for upcoming stops and navigate complex rail networks with confidence. By understanding the significance of the approach signal, we can appreciate the intricate systems that keep our transportation networks running smoothly and safely. As we continue to innovate and improve these systems, the role of signals like the approach signal will remain indispensable in the future of rail travel.

在交通运输的世界中,沟通是确保安全和效率的关键。这个沟通的一个关键方面是信号的使用,特别是在铁路系统中。在这些信号中,接近信号在引导列车接近车站或交叉口方面发挥着至关重要的作用。理解接近信号的功能和重要性可以增强我们对复杂交通网络如何顺利运作的欣赏。接近信号作为对列车操作员的警告,指示他们即将到达一个需要减速或准备停车的点。这个信号至关重要,因为它为列车工作人员提供了必要的反应时间,以确保乘客的安全和铁路交通的顺畅。如果没有这样的信号,事故的风险将显著增加,可能导致灾难性的后果。例如,想象一个场景,一列火车以高速驶向一个没有任何警告信号的车站。驾驶员可能没有足够的时间减速或停车,导致与其他列车或轨道上的障碍物相撞。在这里,接近信号作为一种必要的预防措施,允许列车安全减速,并顺利到达目的地而不发生事故。此外,接近信号不仅仅是一个单独的实体;它是一个更广泛的信号系统的一部分,该系统包括针对不同情况设计的各种类型的信号。这些信号相互协调,以创建一个安全的铁路运营环境。具体而言,接近信号通常与其他信号结合使用,提供有关轨道状况、速度限制和即将到来的交叉口的额外信息。在许多国家,接近信号的设计和实施受到严格的法规和标准的监管。工程师和铁路管理部门仔细规划这些信号的放置,以确保最大限度的可见性和有效性。视线、距离轨道的远近和环境条件等因素都被考虑在内,以优化信号系统。此外,技术的进步使得开发出更复杂的信号系统,从而增强了接近信号的功能。例如,现代信号系统可能包含电子显示屏,向列车操作员提供实时信息。这些创新有助于进一步减少人为错误的可能性,提高铁路运营的整体安全性。总之,接近信号是铁路安全和效率的基本组成部分。它使列车工作人员能够为即将到来的停车做好准备,并自信地在复杂的铁路网络中导航。通过理解接近信号的重要性,我们可以欣赏到保持我们的交通网络顺利和安全运行的复杂系统。随着我们继续创新和改善这些系统,像接近信号这样的信号在未来铁路旅行中的作用将始终不可或缺。

相关单词

signal

signal详解:怎么读、什么意思、用法