rotational

简明释义

英[rəʊˈteɪʃənl]美[roʊˈteɪʃənl]

adj. 转动的；回转的；轮流的

英英释义

单词用法

同义词

反义词

例句

1.Even on a static medium, rotational symmetry can convey action.

即使在一个静态的介质中，转动对称也可以表达出动态的意味。

2.In other words, ordinary thermal energies do populate some number of rotational levels of molecules.

也就是说，常温会，激发分子的一些转动能级。

3.Science offers no plausible explanation of how it could have slowed to its current rotational rate from that speed.

科学并没有给出合理的解释，说明它是如何从那个速度减速到现在的转速的。

4.Nor do the laws of nature change depending on the direction in which you look (rotational symmetry).

定律也不会因为你观察的方向不同而改变(这是转动对称性，Rotational Symmetry)。

5.I've got this little bit of advertisement here about our rotational program.

我想给我们的轮岗项目，做个小广告。

6.Rotational energies are small.

转动能量很小。

7.That is impossible. Geometry dictates that only two-, three-, four- and sixfold rotational symmetry can exist.

然而几何学告诉我们，只有二次、三次、四次和六次的旋转对称是能够存在的形式。

8.The rotational 旋转的 symmetry of the design makes it visually appealing.

设计的旋转的对称性使其在视觉上更具吸引力。

9.The rotational 旋转的 speed of the wheels affects the vehicle's performance.

车轮的旋转的速度会影响车辆的性能。

10.Astronomers observe the rotational 旋转的 patterns of galaxies.

天文学家观察星系的旋转的模式。

11.In physics, we study the rotational 旋转的 dynamics of objects in motion.

在物理学中，我们研究运动物体的旋转的动力学。

12.The engine operates on a rotational 旋转的 motion to generate power.

发动机通过旋转的运动来产生动力。

作文

In the realm of physics and engineering, the concept of rotational motion plays a crucial role in understanding how objects behave when they spin or rotate around an axis. This type of motion is not just limited to simple objects like wheels or planets; it extends to complex systems such as machinery, celestial bodies, and even the very structure of atoms. Understanding rotational dynamics allows engineers to design safer vehicles, create more efficient machines, and even predict the behavior of natural phenomena.To begin with, let’s explore what rotational motion entails. When an object rotates, it moves around a central point or axis. This can be seen in everyday life, such as when a child spins on a merry-go-round or when the Earth rotates on its axis, creating day and night. The study of rotational motion involves various physical quantities, including angular velocity, torque, and moment of inertia. Angular velocity measures how fast an object rotates, while torque is the force that causes an object to rotate. Moment of inertia, on the other hand, quantifies how difficult it is to change the rotational motion of an object based on its mass distribution.One of the most significant applications of rotational motion is in the field of mechanical engineering. Engineers must consider rotational dynamics when designing machines and vehicles. For instance, the wheels of a car experience rotational motion as they turn, and understanding the forces at play helps engineers create safer and more efficient designs. Additionally, in aerodynamics, the rotational motion of airplane wings is critical for generating lift and ensuring stable flight.Furthermore, the principles of rotational motion are essential in astrophysics. The rotation of celestial bodies, such as planets and stars, affects their shape, gravitational field, and even their lifespan. For example, the Earth’s rotational speed influences its equatorial bulge, causing it to be slightly wider at the equator than at the poles. Understanding these dynamics is vital for predicting astronomical events and understanding the universe's structure.Moreover, the concept of rotational symmetry is fundamental in various fields, including art and architecture. Artists often use rotational symmetry to create visually appealing designs, while architects may incorporate it into their structures to achieve balance and harmony. This aesthetic aspect of rotational motion demonstrates its relevance beyond the physical sciences, influencing culture and creativity.In conclusion, the term rotational encompasses a wide range of applications and implications across various fields. From the mechanics of everyday objects to the grand scale of celestial movements, rotational dynamics is a fundamental principle that helps us understand and navigate the world around us. By grasping the intricacies of rotational motion, we can innovate and improve technology, enhance safety, and appreciate the beauty of symmetry in our surroundings. As we continue to explore the depths of physics and engineering, the significance of rotational motion will undoubtedly remain a cornerstone of our understanding.

在物理和工程领域，rotational 运动的概念在理解物体如何围绕轴旋转或转动时起着至关重要的作用。这种运动不仅限于简单的物体，如车轮或行星；它还扩展到复杂的系统，例如机械、天体，甚至原子的结构。理解 rotational 动力学使工程师能够设计更安全的车辆、创造更高效的机器，甚至预测自然现象的行为。首先，让我们探讨一下 rotational 运动的含义。当一个物体旋转时，它围绕一个中心点或轴移动。这可以在日常生活中看到，例如当孩子在旋转木马上旋转，或者地球围绕其轴旋转，形成昼夜交替。对 rotational 运动的研究涉及各种物理量，包括角速度、扭矩和转动惯量。角速度测量物体旋转的速度，而扭矩是导致物体旋转的力。另一方面，转动惯量量化了基于物体质量分布改变其旋转运动的难易程度。rotational 运动最重要的应用之一是在机械工程领域。工程师在设计机器和车辆时必须考虑 rotational 动力学。例如，汽车的轮子在转动时经历 rotational 运动，理解作用在其上的力有助于工程师创建更安全、更高效的设计。此外，在空气动力学中，飞机机翼的 rotational 运动对于产生升力和确保稳定飞行至关重要。此外，rotational 运动的原理在天体物理学中也是必不可少的。天体的旋转，例如行星和恒星，影响它们的形状、引力场，甚至寿命。例如，地球的 rotational 速度影响其赤道隆起，使其在赤道处略宽于极地。理解这些动态对于预测天文事件和理解宇宙的结构至关重要。此外，rotational 对称的概念在艺术和建筑等各个领域都是基础。艺术家经常使用 rotational 对称来创造视觉上吸引人的设计，而建筑师可能将其融入他们的结构中，以实现平衡和和谐。rotational 运动的这种美学方面展示了它在物理科学之外的相关性，影响着文化和创造力。总之，rotational 这个术语涵盖了各个领域广泛的应用和影响。从日常物体的机械到天体运动的宏伟规模，rotational 动力学是帮助我们理解和驾驭周围世界的基本原理。通过掌握 rotational 运动的复杂性，我们可以创新和改善技术，增强安全性，并欣赏我们周围对称之美。随着我们继续探索物理和工程的深度，rotational 运动的重要性无疑将继续成为我们理解的基石。