range of speed

简明释义

速度范围

英英释义

例句

1.Different animals have a varied range of speed depending on their species.

不同动物的速度范围因物种而异。

2.The athlete's performance improved as he learned to control his range of speed during the race.

随着他学会在比赛中控制自己的速度范围，运动员的表现有所提升。

3.The car can operate at a range of speed from 0 to 150 miles per hour.

这辆车的速度范围从每小时0到150英里。

4.In this experiment, we measured the range of speed of the falling object.

在这个实验中，我们测量了下落物体的速度范围。

5.The drone can fly within a range of speed that allows for both quick maneuvers and slow hovering.

这架无人机可以在一个速度范围内飞行，既能快速机动也能慢速悬停。

作文

In the world of transportation, understanding the range of speed is crucial for both safety and efficiency. The range of speed refers to the spectrum of velocities at which a vehicle can operate effectively. For instance, when considering automobiles, the range of speed typically varies from a complete stop to the maximum speed limit set by law. This range of speed is not only determined by the design and capabilities of the vehicle but also by external factors such as road conditions, weather, and traffic regulations.When we examine different modes of transportation, the range of speed becomes even more apparent. For example, airplanes have a much higher range of speed compared to cars. Commercial jets can cruise at speeds exceeding 500 miles per hour, while high-speed trains can reach up to 300 miles per hour. In contrast, bicycles have a much lower range of speed, typically between 10 to 30 miles per hour, depending on the cyclist's fitness level and the terrain.Understanding the range of speed is vital for planning travel times and ensuring that schedules are met. For example, if a person needs to travel 100 miles, knowing the range of speed of their chosen mode of transport allows them to estimate how long the journey will take. If they are driving a car that can travel at an average speed of 60 miles per hour, they can reasonably expect to arrive at their destination in about 1 hour and 40 minutes, barring any delays.Moreover, the range of speed is essential in the context of safety. Different vehicles have different stopping distances based on their range of speed. A car traveling at 60 miles per hour requires a longer distance to stop than one traveling at 30 miles per hour. Therefore, drivers must be aware of their vehicle's range of speed and adjust their driving behavior accordingly to prevent accidents.In addition to personal vehicles, public transportation systems also rely heavily on the range of speed. Buses, subways, and trams all have designated speeds that ensure they can maintain a reliable schedule while also prioritizing passenger safety. For example, a subway train may have a maximum range of speed of 50 miles per hour, but it may only operate at 30 miles per hour during peak hours due to the high volume of passengers and the need for frequent stops.Furthermore, advancements in technology continue to influence the range of speed in various transportation methods. Electric vehicles, for instance, are designed to be both fast and efficient. With improvements in battery technology, electric cars can achieve higher speeds while maintaining energy efficiency. Meanwhile, innovations in aerodynamics and materials have allowed aircraft to fly faster and more efficiently, expanding their range of speed.In conclusion, the concept of range of speed is integral to our understanding of transportation. It affects how we plan our journeys, ensures our safety on the roads, and influences the efficiency of public transport systems. As technology continues to evolve, the range of speed of various modes of transport will likely increase, offering us more options for travel and connectivity. Ultimately, being aware of the range of speed can enhance our overall travel experience, allowing us to make informed decisions about how we move from one place to another.

在交通运输的世界中，理解速度范围对安全和效率至关重要。速度范围指的是一个车辆可以有效运行的速度光谱。例如，当考虑汽车时，速度范围通常从完全停止到法律规定的最高速度限制。这一速度范围不仅由车辆的设计和性能决定，还受到外部因素的影响，如道路状况、天气和交通法规。当我们检查不同的交通方式时，速度范围变得更加明显。例如，飞机的速度范围远高于汽车。商业喷气机的巡航速度超过每小时500英里，而高速列车的速度可达到每小时300英里。相比之下，自行车的速度范围则低得多，通常在每小时10到30英里之间，具体取决于骑行者的体能水平和地形。理解速度范围对于规划旅行时间和确保按时到达目的地至关重要。例如，如果一个人需要旅行100英里，了解所选交通方式的速度范围可以让他们估算旅程需要多长时间。如果他们驾驶的汽车平均速度为每小时60英里，他们可以合理预期在1小时40分钟内到达目的地，前提是没有任何延误。此外，速度范围在安全方面也至关重要。不同车辆的制动距离基于它们的速度范围。以每小时60英里行驶的汽车所需的停车距离比以每小时30英里行驶的汽车要长。因此，司机必须了解自己车辆的速度范围，并相应调整驾驶行为，以防止事故发生。除了个人车辆，公共交通系统也在很大程度上依赖于速度范围。公交车、地铁和电车都有指定的速度，以确保它们能够保持可靠的时间表，同时优先考虑乘客的安全。例如，一列地铁的最高速度范围可能为每小时50英里，但在高峰时段，由于乘客量大和频繁停靠，它可能仅以每小时30英里的速度运行。此外，技术的进步继续影响各种交通方式的速度范围。例如，电动车的设计旨在既快速又高效。随着电池技术的进步，电动汽车可以在保持能源效率的同时实现更高的速度。与此同时，空气动力学和材料的创新使飞机能够更快、更高效地飞行，从而扩展了它们的速度范围。总之，速度范围的概念对于我们理解交通运输至关重要。它影响着我们规划旅行的方式，确保我们在道路上的安全，并影响公共交通系统的效率。随着技术的不断发展，各种交通方式的速度范围可能会增加，为我们提供更多的旅行和连接选择。最终，了解速度范围可以提升我们整体的旅行体验，使我们能够就如何从一个地方移动到另一个地方做出明智的决定。