constant speed

简明释义

恒速

英英释义

例句

1.The train travels at a constant speed to ensure punctual arrivals at each station.

火车以恒定速度行驶，以确保每个车站准时到达。

2.The bicycle rider pedaled at a constant speed to maintain his stamina during the race.

自行车骑士以恒定速度骑行，以保持在比赛中的耐力。

3.During the experiment, the fan was set to operate at a constant speed for accurate measurements.

在实验中，风扇被设置为以恒定速度运转，以便进行准确测量。

4.To achieve better fuel efficiency, it is recommended to drive at a constant speed.

为了提高燃油效率，建议以恒定速度行驶。

5.The car maintained a constant speed while driving on the highway, ensuring a smooth ride.

汽车在高速公路上以恒定速度行驶，确保了平稳的旅程。

作文

In the realm of physics and engineering, the concept of constant speed plays a crucial role in understanding motion. When we say an object is moving at constant speed, we mean that it covers equal distances in equal intervals of time, regardless of how small those intervals are. This principle is fundamental for various applications, from designing vehicles to predicting the trajectory of celestial bodies.To illustrate this idea, consider a car traveling on a straight highway. If the car maintains a constant speed of 60 kilometers per hour, it will travel 60 kilometers in one hour, 120 kilometers in two hours, and so forth. This predictability allows drivers to estimate their arrival times accurately and plan their journeys efficiently. Moreover, maintaining a constant speed can enhance fuel efficiency, reducing both costs and environmental impact.The importance of constant speed extends beyond everyday travel. In the field of physics, the study of objects in motion often assumes constant speed to simplify calculations. For instance, in projectile motion, when an object is thrown at a certain speed without any change in its velocity due to external forces, it is said to be moving at constant speed until gravity acts upon it. This simplification allows scientists to derive equations that predict the path of the projectile, which is essential for fields like engineering and aerospace.However, it is important to note that achieving true constant speed in real life is challenging. Factors such as friction, air resistance, and changes in terrain can cause variations in speed. For example, a cyclist may start off at a constant speed on flat ground, but as they climb a hill, their speed will decrease due to increased effort required to overcome gravity. Similarly, a car may experience fluctuations in speed due to traffic conditions or road obstacles.Despite these challenges, understanding the concept of constant speed remains vital. It serves as a foundation for more complex theories and principles in physics, such as acceleration and deceleration. By grasping the basics of constant speed, students and enthusiasts can delve deeper into the fascinating world of motion and dynamics.In conclusion, the term constant speed refers to the uniform motion of an object covering equal distances over equal time intervals. This concept is not only significant in everyday scenarios, like driving a car, but also serves as a cornerstone in scientific discussions about motion. Whether in practical applications or theoretical studies, understanding constant speed equips individuals with the knowledge necessary to navigate the complexities of movement in our world. As we continue to explore and innovate, the principles surrounding constant speed will undoubtedly remain relevant, guiding advancements in technology and enhancing our understanding of the universe.

在物理学和工程学领域，constant speed（恒定速度）这一概念在理解运动方面发挥着至关重要的作用。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。这一原理对于各种应用至关重要，从设计车辆到预测天体的轨迹。为了说明这一观点，考虑一下在直直的高速公路上行驶的汽车。如果这辆车以每小时60公里的constant speed（恒定速度）行驶，那么它将在一个小时内行驶60公里，在两个小时内行驶120公里，依此类推。这种可预测性使司机能够准确估计到达时间，并有效规划他们的行程。此外，保持constant speed（恒定速度）可以提高燃油效率，减少成本和环境影响。constant speed（恒定速度）的重要性不仅限于日常旅行。在物理学领域，研究运动中的物体通常假设constant speed（恒定速度），以简化计算。例如，在抛体运动中，当一个物体以某一速度被抛出而不受外力影响导致其速度变化时，可以说它在重力作用之前以constant speed（恒定速度）运动。这种简化使科学家能够推导出预测抛体轨迹的方程，这对工程和航空航天等领域至关重要。然而，需要注意的是，在现实生活中实现真正的constant speed（恒定速度）是具有挑战性的。摩擦、空气阻力和地形变化等因素都可能导致速度的变化。例如，一名骑自行车的人可能在平坦的地面上以constant speed（恒定速度）开始，但当他们爬坡时，由于需要克服重力而增加的努力，他们的速度会下降。类似地，汽车可能由于交通状况或道路障碍而经历速度波动。尽管面临这些挑战，理解constant speed（恒定速度）这一概念仍然至关重要。它为物理学中更复杂的理论和原则奠定了基础，例如加速度和减速。通过掌握constant speed（恒定速度）的基本知识，学生和爱好者可以更深入地探索运动和动态的迷人世界。总之，constant speed（恒定速度）一词指的是一个物体在相等的时间间隔内以均匀的方式覆盖相等的距离。这一概念不仅在日常场景中具有重要意义，如驾驶汽车，而且在科学讨论运动的基础上也起着基石作用。无论是在实际应用还是理论研究中，理解constant speed（恒定速度）使个人具备了应对我们世界中运动复杂性的知识。随着我们继续探索和创新，围绕constant speed（恒定速度）的原则无疑将继续保持相关性，引导技术进步并增强我们对宇宙的理解。