constant speed
简明释义
常速
英英释义
在一定时间内不变的速度。 |
例句
1.In physics, an object moving at a constant speed 恒定速度 does not accelerate.
在物理学中,以恒定速度 constant speed运动的物体不会加速。
2.To achieve better fuel efficiency, it is important to drive at a constant speed 恒定速度.
为了提高燃油效率,保持恒定速度 constant speed是很重要的。
3.The cyclist was able to maintain a constant speed 恒定速度 throughout the race.
这位骑自行车的人在比赛中能够保持恒定速度 constant speed。
4.The train travels at a constant speed 恒定速度 to ensure a smooth ride for passengers.
火车以恒定速度 constant speed行驶,以确保乘客的平稳乘坐体验。
5.The car maintained a constant speed 恒定速度 of 60 miles per hour on the highway.
这辆车在高速公路上保持了恒定速度 constant speed为每小时60英里。
作文
In the world of physics and motion, the concept of constant speed is crucial for understanding how objects move. When we say that an object is traveling at a constant speed (恒定速度), we mean that it covers equal distances in equal intervals of time, regardless of how small those intervals may be. This idea can be observed in various real-world scenarios, from cars cruising down a highway to planets orbiting the sun.One of the simplest examples of constant speed (恒定速度) is a car driving on a straight road without accelerating or decelerating. If the driver sets the cruise control at 60 miles per hour, the car maintains that speed consistently. This means that for every hour of travel, the car will cover 60 miles, illustrating the principle of constant speed (恒定速度). This consistency is essential for calculating travel times and distances accurately, making it easier for drivers to plan their journeys.In physics, the concept of constant speed (恒定速度) is often represented by a linear graph where distance is plotted against time. The slope of this line indicates the speed of the object. A straight, diagonal line signifies that the object is moving at a constant speed (恒定速度), while a curved line would suggest that the speed is changing. This graphical representation helps students visualize and understand motion better.Moreover, understanding constant speed (恒定速度) is vital in various scientific fields, including engineering and astronomy. For instance, when engineers design vehicles, they must consider the effects of constant speed (恒定速度) on fuel efficiency and performance. Vehicles that can maintain a constant speed (恒定速度) tend to use fuel more efficiently, which is an important factor in both cost and environmental impact.In astronomy, the concept of constant speed (恒定速度) applies to celestial bodies. For example, the Earth orbits the sun at an average speed of about 67,000 miles per hour. While this speed can vary slightly due to gravitational influences, for most practical purposes, we can consider it as a constant speed (恒定速度). Understanding these speeds allows astronomers to calculate the distances between planets and predict their positions in the sky.However, it is essential to note that while constant speed (恒定速度) is a useful concept, it does not apply to all types of motion. Many objects experience acceleration or deceleration, resulting in variable speeds. For example, a roller coaster moves at a constant speed (恒定速度) at certain points, but it also speeds up and slows down as it navigates through turns and drops. This variation in speed adds excitement and thrill to the ride, demonstrating that while constant speed (恒定速度) is an important concept, it is just one aspect of motion.In conclusion, the idea of constant speed (恒定速度) plays a significant role in our understanding of motion in both everyday life and scientific contexts. Whether driving a car, studying planetary movements, or designing efficient machines, the ability to maintain a constant speed (恒定速度) is crucial for achieving desired outcomes. By grasping this concept, we can better appreciate the dynamics of motion around us and apply this knowledge in practical situations.
在物理和运动的世界中,constant speed(恒定速度)的概念对于理解物体如何移动至关重要。当我们说一个物体以constant speed(恒定速度)移动时,我们的意思是它在相等的时间间隔内覆盖相等的距离,无论这些时间间隔有多小。这个思想可以在各种现实场景中观察到,从汽车在高速公路上巡航到行星绕太阳轨道运行。一个关于constant speed(恒定速度)最简单的例子是汽车在直路上行驶而不加速或减速。如果司机将巡航控制设置为每小时60英里,汽车就会持续保持这个速度。这意味着每行驶一小时,汽车将覆盖60英里,说明了constant speed(恒定速度)的原则。这种一致性对于准确计算旅行时间和距离至关重要,使司机更容易规划他们的旅程。在物理学中,constant speed(恒定速度)的概念通常通过一个线性图表来表示,其中距离与时间相对。该线的斜率表示物体的速度。一条直的对角线表示物体以constant speed(恒定速度)移动,而一条曲线则表明速度在变化。这种图形表示帮助学生更好地可视化和理解运动。此外,理解constant speed(恒定速度)在工程和天文学等多个科学领域至关重要。例如,当工程师设计车辆时,他们必须考虑constant speed(恒定速度)对燃油效率和性能的影响。能够保持constant speed(恒定速度)的车辆往往能更有效地使用燃料,这是成本和环境影响的重要因素。在天文学中,constant speed(恒定速度)的概念适用于天体。例如,地球以大约每小时67,000英里的平均速度绕太阳运行。虽然由于引力影响,这个速度可能略有变化,但在大多数实际情况下,我们可以将其视为constant speed(恒定速度)。理解这些速度使天文学家能够计算行星之间的距离并预测它们在天空中的位置。然而,必须注意的是,尽管constant speed(恒定速度)是一个有用的概念,但并不适用于所有类型的运动。许多物体经历加速度或减速度,导致速度变化。例如,过山车在某些点以constant speed(恒定速度)移动,但在穿越转弯和下坡时也会加速和减速。这种速度的变化为乘坐增添了兴奋和刺激,表明虽然constant speed(恒定速度)是一个重要的概念,但它只是运动的一个方面。总之,constant speed(恒定速度)的理念在我们理解日常生活和科学背景中的运动中发挥着重要作用。无论是驾驶汽车、研究行星运动,还是设计高效机器,保持constant speed(恒定速度)的能力对于实现预期结果至关重要。通过掌握这一概念,我们可以更好地欣赏周围运动的动态,并在实践中应用这些知识。