average speed

简明释义

平均速

英英释义

例句

1.The runner maintained an average speed of 6 miles per hour throughout the marathon.

这名跑者在整个马拉松中保持了每小时6英里的平均速度。

2.Airplanes are designed to achieve a high average speed for long-distance travel.

飞机的设计旨在实现高平均速度以进行长途旅行。

3.The car traveled 150 miles in 3 hours, so its average speed is 50 miles per hour.

这辆车在3小时内行驶了150英里，所以它的平均速度是每小时50英里。

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

要计算平均速度，将总距离除以总时间。

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

骑自行车的人通常会记录他们的平均速度以提高比赛表现。

作文

Understanding the concept of average speed is crucial for anyone involved in travel or transportation. Average speed is defined as the total distance traveled divided by the total time taken to travel that distance. This simple formula can be applied in various scenarios, from driving a car to running a marathon. By grasping this concept, individuals can better plan their journeys and manage their time effectively.For instance, consider a road trip where you need to travel 300 kilometers. If you drive at a constant speed of 100 kilometers per hour, you can calculate your average speed easily. Since you are traveling 300 kilometers in 3 hours, your average speed remains 100 kilometers per hour throughout the journey. However, if you encounter traffic jams or decide to take breaks, your actual speed may vary. In such cases, understanding average speed becomes essential to estimate your arrival time accurately.Moreover, average speed plays a significant role in various fields such as physics, engineering, and sports. In physics, it helps in analyzing the motion of objects. For example, when studying the motion of a car, scientists often use the concept of average speed to determine how fast the car is moving over a certain period. This information can be critical for safety assessments and performance evaluations.In sports, athletes often aim to improve their average speed to enhance their performance. Runners, cyclists, and swimmers track their average speed during training sessions to gauge their progress. By calculating their average speed, they can identify areas for improvement and set realistic goals for competitions.Another important aspect of average speed is its application in public transportation. Buses and trains operate on schedules that depend heavily on maintaining a consistent average speed. If a bus takes longer than expected due to traffic, the average speed decreases, which can lead to delays in the entire transit system. Understanding the factors that affect average speed can help transportation authorities optimize routes and improve service reliability.In conclusion, mastering the concept of average speed is vital for effective planning and execution in various aspects of life. Whether you are traveling, participating in sports, or working in transportation, knowing how to calculate and apply average speed can greatly enhance your efficiency and success. By recognizing the significance of this concept, individuals can make informed decisions that ultimately lead to better outcomes in their daily activities and professional endeavors.

理解平均速度的概念对任何涉及旅行或交通的人来说都是至关重要的。平均速度被定义为总距离除以总时间。这一简单的公式可以应用于各种场景，从开车到跑马拉松。掌握这一概念，个人可以更好地规划他们的旅程和有效管理他们的时间。例如，考虑一次公路旅行，你需要行驶300公里。如果你以每小时100公里的恒定速度行驶，你可以轻松计算你的平均速度。因为你在3小时内行驶了300公里，所以你的平均速度在整个旅程中保持为每小时100公里。然而，如果你遇到交通拥堵或决定休息，你的实际速度可能会有所变化。在这种情况下，理解平均速度变得至关重要，以准确估计你的到达时间。此外，平均速度在物理学、工程学和体育等多个领域中发挥着重要作用。在物理学中，它有助于分析物体的运动。例如，在研究汽车运动时，科学家们通常使用平均速度的概念来确定汽车在某一段时间内的行驶速度。这些信息对于安全评估和性能评估至关重要。在体育运动中，运动员通常旨在提高他们的平均速度以增强他们的表现。跑步者、骑自行车的人和游泳者在训练期间跟踪他们的平均速度以评估他们的进展。通过计算他们的平均速度，他们可以识别改进的领域并为比赛设定现实的目标。平均速度的另一个重要方面是它在公共交通中的应用。公交车和火车的运行时间表在很大程度上依赖于保持一致的平均速度。如果由于交通原因，公交车的行驶时间超过预期，那么平均速度就会降低，这可能导致整个交通系统的延误。理解影响平均速度的因素可以帮助交通部门优化路线并改善服务的可靠性。总之，掌握平均速度的概念对于在生活的各个方面进行有效的规划和执行至关重要。无论你是在旅行、参加体育活动还是在交通行业工作，知道如何计算和应用平均速度都可以大大提高你的效率和成功。通过认识到这一概念的重要性，个人可以做出明智的决策，从而最终在日常活动和职业努力中取得更好的结果。