average speed

简明释义

平均速度

英英释义

例句

1.The average speed of the train was faster than expected.

火车的平均速度比预期的要快。

2.The car maintained an average speed of 60 miles per hour during the trip.

在这次旅行中，汽车保持了每小时60英里的平均速度。

3.During the race, he achieved an average speed of 12 kilometers per hour.

在比赛期间，他达到了每小时12公里的平均速度。

4.To calculate the average speed, divide the total distance by the total time.

要计算平均速度，请将总距离除以总时间。

5.Cyclists often track their average speed to improve their performance.

骑自行车的人经常跟踪他们的平均速度以提高表现。

作文

When we think about traveling, whether it be by car, train, or airplane, one term that often comes up is average speed. Understanding this concept is crucial for anyone who wants to estimate travel time and plan their journeys effectively. In simple terms, average speed refers to the total distance traveled divided by the total time taken to cover that distance. It provides a useful measure of how quickly something is moving over a period of time, allowing travelers to make informed decisions about their routes and modes of transportation.For instance, if you are planning a road trip, knowing the average speed at which you can drive will help you determine how long it will take to reach your destination. Suppose you have a distance of 300 kilometers to cover, and you expect to maintain an average speed of 60 kilometers per hour. By using the formula: time = distance / speed, you can calculate that the journey will take approximately 5 hours. This kind of calculation is vital for effective time management, especially when you have appointments or events scheduled.Moreover, the average speed is not just limited to personal travel; it also plays a significant role in various industries. For example, in logistics and delivery services, companies rely on average speed calculations to optimize their routes and ensure timely deliveries. If a delivery truck has an average speed of 50 kilometers per hour and needs to deliver packages across multiple locations, the company can estimate the total time needed for the deliveries and plan accordingly.In addition, understanding average speed can also enhance safety on the roads. Drivers who are aware of their average speed can make better decisions regarding speed limits and road conditions. For example, if a driver knows that they are traveling at an average speed that exceeds the legal limit, they may choose to slow down to avoid potential accidents or legal penalties. This awareness fosters a culture of responsible driving, which is essential for ensuring safety on the roads.Furthermore, the concept of average speed extends beyond vehicles. Athletes, particularly runners and cyclists, often track their average speed during training and competitions. By monitoring their performance, they can set goals, improve their endurance, and increase their overall efficiency. For instance, if a cyclist completes a 20-kilometer race in 40 minutes, they can calculate their average speed to be 30 kilometers per hour. This information can help them assess their performance and strive for improvement in future races.In conclusion, the term average speed is a fundamental concept that applies to various aspects of life, from travel planning to sports performance. By understanding how to calculate and interpret average speed, individuals can make more informed decisions, enhance their efficiency, and promote safety in their activities. Whether you are embarking on a road trip, managing logistics for a business, or competing in a race, keeping track of your average speed can lead to better outcomes and a deeper appreciation of the journey itself.

当我们想到旅行时，无论是开车、乘火车还是搭飞机，一个常常提到的术语是平均速度。理解这个概念对于任何想要估算旅行时间并有效规划旅程的人来说都是至关重要的。简单来说，平均速度指的是总距离除以总时间。它提供了一个有用的衡量标准，表明某物在一段时间内移动的快慢，使旅行者能够对他们的路线和交通方式做出明智的决策。例如，如果你正在计划一次公路旅行，知道你的平均速度将有助于你确定到达目的地所需的时间。假设你需要行驶300公里，并且预计可以保持60公里每小时的平均速度。通过使用公式：时间 = 距离 / 速度，你可以计算出这段旅程大约需要5个小时。这种计算对于有效的时间管理至关重要，尤其是当你有预约或活动安排时。此外，平均速度不仅限于个人旅行；它在各个行业中也发挥着重要作用。例如，在物流和快递服务中，公司依赖于平均速度计算来优化他们的路线，确保按时交货。如果一辆快递卡车的平均速度为每小时50公里，并且需要在多个地点交付包裹，公司可以估算完成交付所需的总时间并进行相应的计划。此外，理解平均速度也可以提高道路安全。意识到自己的平均速度的司机可以更好地决定限速和路况。例如，如果一名司机知道自己以超过法定限速的平均速度行驶，他们可能会选择减速，以避免潜在的事故或法律处罚。这种意识促进了负责任驾驶的文化，这对确保道路安全至关重要。此外，平均速度的概念不仅限于车辆。运动员，特别是跑步者和骑自行车的人，通常在训练和比赛中跟踪他们的平均速度。通过监测他们的表现，他们可以设定目标，提高耐力，并增加整体效率。例如，如果一名骑自行车的人在40分钟内完成20公里的比赛，他们可以计算出自己的平均速度为每小时30公里。这些信息可以帮助他们评估自己的表现，并在未来的比赛中努力改进。总之，术语平均速度是一个基本概念，适用于生活的各个方面，从旅行规划到运动表现。通过理解如何计算和解释平均速度，个人可以做出更明智的决策，提高效率，并促进活动的安全。无论你是在进行公路旅行、管理业务的物流，还是参加比赛，跟踪你的平均速度都可以带来更好的结果，并对旅程本身产生更深的欣赏。