railway gauge
简明释义
铁路轨距
英英释义
例句
1.The standard railway gauge 铁路轨距 in most countries is 1435 mm.
大多数国家的标准铁路轨距是1435毫米。
2.The narrow railway gauge 铁路轨距 of 1000 mm is often used in mountainous areas.
1000毫米的窄铁路轨距通常用于山区。
3.Many countries are investing in upgrading their railway gauges 铁路轨距 for high-speed trains.
许多国家正在投资升级他们的铁路轨距以适应高速列车。
4.Changing the railway gauge 铁路轨距 can require significant engineering work.
更改铁路轨距可能需要大量的工程工作。
5.Different regions may use varying railway gauges 铁路轨距, which can complicate transportation.
不同地区可能使用不同的铁路轨距,这会使运输变得复杂。
作文
The concept of railway gauge is fundamental to the operation of rail transport systems around the world. In essence, railway gauge refers to the distance between the inner sides of the two rails that make up a railway track. This measurement is crucial because it directly affects the stability, safety, and efficiency of trains as they travel along the tracks. Different countries and regions have adopted various standards for railway gauge, leading to a diverse array of track sizes across the globe.One of the most common types of railway gauge is the standard gauge, which measures 1,435 millimeters (4 feet 8.5 inches) between the rails. This gauge is widely used in many countries, including the United States, Canada, and most of Europe. The adoption of standard gauge has facilitated international rail travel and trade by allowing trains to operate seamlessly across borders without the need for changing tracks or trains.However, not all regions use standard gauge. For instance, Russia and many countries in the former Soviet Union utilize a wider gauge known as broad gauge, which measures 1,520 millimeters (5 feet). This difference can create challenges for international rail services, as trains must be modified or transferred when crossing into areas with different railway gauges.On the other end of the spectrum, some regions, particularly in the UK and parts of Japan, use narrow gauge tracks, which can measure less than 1,067 millimeters (3 feet 6 inches). Narrow gauge railways are often employed in mountainous or rugged terrain where construction costs need to be minimized. These railways can be more flexible in terms of route planning, but they may limit the size and speed of the trains that can operate on them.The implications of different railway gauges extend beyond mere measurements; they influence train design, operational costs, and even the economic viability of rail projects. For instance, trains designed for standard gauge tracks are typically larger and can carry more passengers or freight compared to those designed for narrow gauge. This capacity can significantly affect the profitability of rail services, especially in regions where rail transport is a key component of the economy.Furthermore, the choice of railway gauge can also impact the environmental footprint of rail systems. Wider gauges allow for faster trains, which can lead to reduced travel times and lower emissions per passenger mile. Conversely, narrow gauge systems may require more frequent stops and slower speeds, potentially increasing overall energy consumption.In conclusion, understanding railway gauge is essential for anyone interested in rail transport, whether from a historical, technical, or economic perspective. The differences in gauge not only reflect the unique needs and conditions of various regions but also shape the future of global rail connectivity. As countries continue to invest in their rail infrastructures, the implications of railway gauge will remain a critical consideration in the planning and development of efficient and sustainable transportation systems worldwide.
‘铁路轨距’的概念是全球铁路运输系统运作的基础。简单来说,‘铁路轨距’是指组成铁路轨道的两根轨道内侧之间的距离。这个测量至关重要,因为它直接影响到火车在轨道上行驶时的稳定性、安全性和效率。不同国家和地区采用了不同的‘铁路轨距’标准,导致全球范围内出现了多种轨道尺寸。最常见的‘铁路轨距’类型是标准轨距,轨道间距为1435毫米(4英尺8.5英寸)。这一轨距在许多国家广泛使用,包括美国、加拿大和大部分欧洲国家。采用标准轨距促进了国际铁路旅行和贸易,使火车能够在跨越国界时无缝运行,而无需更换轨道或列车。然而,并不是所有地区都使用标准轨距。例如,俄罗斯以及许多前苏联国家采用一种称为宽轨的轨距,轨道间距为1520毫米(5英尺)。这种差异可能会给国际铁路服务带来挑战,因为火车在进入不同‘铁路轨距’区域时必须进行改装或转移。另一方面,一些地区,特别是英国和日本的部分地区,使用窄轨铁路,轨道间距可以小于1067毫米(3英尺6英寸)。窄轨铁路通常用于山区或崎岖地形,在这些地方需要降低建设成本。这些铁路在路线规划上更加灵活,但可能限制能够在其上运行的火车的大小和速度。不同‘铁路轨距’的影响不仅仅体现在简单的测量上;它们还影响火车设计、运营成本,甚至铁路项目的经济可行性。例如,设计用于标准轨道的火车通常更大,可以比设计用于窄轨的火车运载更多的乘客或货物。这种运载能力可能会显著影响铁路服务的盈利能力,尤其是在铁路运输是经济关键组成部分的地区。此外,‘铁路轨距’的选择也可能影响铁路系统的环境足迹。较宽的轨距允许更快的火车,这可以减少旅行时间并降低每乘客英里排放。相对而言,窄轨系统可能需要更频繁的停靠和较慢的速度,从而可能增加整体能源消耗。总之,理解‘铁路轨距’对于任何对铁路运输感兴趣的人来说都是至关重要的,无论是从历史、技术还是经济角度来看。轨距的差异不仅反映了各地区独特的需求和条件,还塑造了全球铁路互联互通的未来。随着各国继续投资于其铁路基础设施,‘铁路轨距’的影响将始终是规划和开发高效、可持续运输系统时需要考虑的重要因素。
相关单词