nutation

简明释义

英[njuːˈteɪʃən]美[njuːˈteɪʃn]

n. [力][天] 章动；点头，垂头

英英释义

单词用法

同义词

反义词

例句

1.The Earth dynamical flattening plays an important role in the computations of nutation theory.

地球动力学扁率在章动理论的计算中也是一个重要的物理量。

2.Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.

角动量的向量特性，进动，角动量守恒(它在系统内部之间的转移)，章动。

3.The test results show that, the liquid sloshing in sphere-cone tanks may resonate with satellite nutation, and nutating divergent time constant will be shapoly reduced.

试验结果表明，球锥贮箱液体晃动可能与卫星章动共振，而使章动发散时间常数剧烈下降。

4.The department of satellite design and the staff on the ground have conducted a way of thruster calibration execution in terms of the data of the attitude and the nutation principle.

卫星设计部门和地面工作人员根据卫星的特点，利用姿态数据及章动原理建立了一套标定推力器对称性的方法。

5.People who have nutation this mutation need less sleep than other'sothers.

有这种变异基因的人们比常人少眠。

6.The stability criteria and the decay time constant of the nutation damping are obtained in an analytical form, by which the degree of the attitude stability can bd evaluated.

导出解析形式的稳定性判据和章动阻尼时间常数，可用以估计卫星的稳定度。

7.Active nutation control techniques have been discussed by many authors.

许多作者研究了主动章动控制技术。

8.This method is superior obviously to nutation NMR technique.

该方法明显优于章动NMR技术。

9.The study of nutation helps in predicting the climate changes over millennia.

对晃动的研究有助于预测千年间的气候变化。

10.Astronomers study nutation to better understand the long-term movements of celestial bodies.

天文学家研究晃动以更好地理解天体的长期运动。

11.The concept of nutation is crucial for accurate satellite positioning.

对于精确的卫星定位，晃动的概念至关重要。

12.The Earth's axial tilt causes a phenomenon known as nutation, which is a slight wobble in its rotation.

地球的轴倾角导致了一个现象，称为晃动，这是一种轻微的旋转颤动。

13.In physics, nutation can refer to the oscillation of a rotating body around its principal axis.

在物理学中，晃动可以指围绕其主轴旋转物体的振荡。

作文

Nutation is a term that refers to a small oscillation or movement in the axis of a rotating body, particularly in astronomy. It can be observed in celestial bodies such as planets and moons as they rotate around their axes. The concept of nutation (摇动) is significant in understanding the dynamics of these celestial movements, as it affects the orientation and position of these bodies over time. To grasp the importance of nutation (摇动), we must first consider the Earth's motion. The Earth not only rotates on its axis but also experiences a slight wobble due to gravitational interactions with the Moon and the Sun. This wobble is known as nutation (摇动) and occurs over an 18.6-year cycle. It is a subtle yet essential aspect of the Earth's movement that affects various phenomena, including the position of stars in the sky and the timing of seasons. In addition to its astronomical implications, nutation (摇动) has applications in other fields, such as engineering and robotics. For instance, when designing satellites or spacecraft, engineers must account for the nutation (摇动) of the Earth and other celestial bodies to ensure accurate navigation and positioning. Understanding these small oscillations helps in maintaining stable orbits and ensuring that communication systems function effectively. Moreover, nutation (摇动) can also be observed in biological systems, such as the growth patterns of plants. Plants exhibit a form of nutation (摇动) as they grow, where the tips of their stems may sway slightly in response to environmental factors like wind or light. This movement allows them to optimize their exposure to sunlight, enhancing their growth and survival. The study of nutation (摇动) extends beyond the physical sciences; it also has philosophical implications. The idea of small, seemingly insignificant movements leading to larger changes resonates with many aspects of life. Just as nutation (摇动) affects celestial bodies, our daily decisions and actions can have profound impacts on our lives and the world around us. In conclusion, nutation (摇动) is a multifaceted concept that spans various disciplines, from astronomy to biology. Its significance lies not only in the physical movements of celestial bodies but also in the broader implications it holds for understanding change and stability in our universe. By studying nutation (摇动), we gain insight into the intricate dance of forces that govern both the cosmos and our everyday lives, reminding us that even the smallest movements can lead to significant outcomes.

摇动是一个术语，指的是旋转物体轴线的小振荡或运动，特别是在天文学中。它可以在行星和月球等天体的自转过程中观察到。摇动(nutation)的概念对于理解这些天体运动的动态非常重要，因为它影响着这些天体随时间的方向和位置。要理解摇动(nutation)的重要性，我们必须首先考虑地球的运动。地球不仅绕其轴自转，还由于与月球和太阳的引力相互作用而经历轻微的摇动。这种摇动被称为摇动(nutation)，并且在18.6年的周期内发生。它是地球运动的一个微妙但至关重要的方面，影响着各种现象，包括天空中星星的位置和季节的变化。除了其天文学的意义，摇动(nutation)在其他领域也有应用，例如工程和机器人技术。例如，在设计卫星或航天器时，工程师必须考虑地球和其他天体的摇动(nutation)，以确保准确的导航和定位。理解这些小的振荡有助于维持稳定的轨道，并确保通信系统有效运作。此外，摇动(nutation)也可以在生物系统中观察到，例如植物的生长模式。植物在生长过程中表现出一种形式的摇动(nutation)，其茎尖可能会因风或光等环境因素而轻微摆动。这种运动使它们能够优化对阳光的暴露，从而增强其生长和生存能力。对摇动(nutation)的研究超越了自然科学；它也具有哲学意义。微小的、看似微不足道的运动导致更大变化的想法与生活的许多方面产生共鸣。正如摇动(nutation)影响天体一样，我们日常的决策和行动也会对我们的生活和周围的世界产生深远的影响。总之，摇动(nutation)是一个多面向的概念，跨越多个学科，从天文学到生物学。它的重要性不仅在于天体的物理运动，还在于它对理解我们宇宙中变化与稳定的更广泛影响。通过研究摇动(nutation)，我们获得了对支配宇宙和日常生活中力量错综复杂的舞蹈的洞察，提醒我们即使是最小的运动也能导致重大的结果。