oblateness

简明释义

英[ɒbˈleɪtnəs]美[ˈɑːbleɪtnes]

n. 扁圆形；[天] 扁率

英英释义

单词用法

同义词

反义词

例句

1.When solving required velocity, it real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.

求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。

2.When solving required velocity, it real-timely thinks about influence of oblateness of the earth and gives the process of solving required velocity by midcourse trajectory method.

求解需要速度时，实时地考虑了地球扁率的影响，并给出了利用中间轨道法求解需要速度的过程。

3.The first part is to analyze the two error sources of the earth horizon sensor: one is earth oblateness and the other is non-uniformly distributed atmospheric infrared radiation.

分析了引起地平仪测量误差的主要误差源—地球扁率和大气红外辐射不均匀性。

4.By using the nonlinear programming theory, a optimal impulse satellite evasive trajectory planning model considering earth oblateness perturbation had been established.

利用非线性规划理论建立了脉冲推力能量最省的逃逸轨迹规划模型，并考虑非球形摄动的影响对模型进行了修正。

5.Simple form unretarted orbit of space vehicles under the first order perturbation of the oblateness of the earth is obtained in this paper.

本文求得了空间飞行器在地球扁率摄动作用下简单形式的一阶解。

6.The reason of attitude correction of scanning infrared horizon sensor is presented by reason of Earth's oblateness and infrared radiation.

分析得出地球扁率和红外辐射是扫描式红外地平仪测量误差的主要原因。

7.The result suggests that the oceanic mass redistribution can partly explain the abnormal variation of the Earth's oblateness from 1998.

通过比较，可以看出，海水质量变化可以部分解释1998年以来地球动力学扁率的异常变化。

8.Titan's oblateness may also help explain why its methane lakes are concentrated near the poles.

泰坦的扁圆形也可以帮助解释为什么它的甲烷湖集中在极地附近。

9.The changes of optimal trajectory caused by Earth's oblateness are computed.

详细计算分析了地球扁率对最优轨道的影响。

10.Determining the oblateness is extremely difficult.

测量扁率是极为困难的。

11.The Earth's shape is best described by its slight oblateness, which refers to its flattening at the poles and bulging at the equator.

地球的形状最好用其轻微的扁平度来描述，这指的是它在两极的扁平和赤道的隆起。

12.Scientists study the oblateness of planets to understand their rotation and gravitational effects.

科学家研究行星的扁平度以理解它们的旋转和引力效应。

13.The oblateness of a rotating body can influence its orbital dynamics significantly.

旋转物体的扁平度可以显著影响其轨道动力学。

14.In geophysics, measuring the oblateness of the Earth helps in understanding tectonic movements.

在地球物理学中，测量地球的扁平度有助于理解构造运动。

15.The oblateness of the planet affects satellite positioning and navigation systems.

行星的扁平度影响卫星定位和导航系统。

作文

The concept of oblateness refers to the flattening of a sphere at its poles and the bulging at its equator, which is a common characteristic of celestial bodies such as planets. This phenomenon can be attributed to the rotation of these bodies, leading to a slight deviation from perfect sphericity. For instance, Earth is not a perfect sphere; rather, it exhibits an oblateness that causes it to be slightly wider at the equator than at the poles. This aspect of Earth's shape has significant implications for various scientific fields, including geology, astronomy, and even navigation. Understanding oblateness is essential for geophysicists who study the Earth's structure and dynamics. The degree of oblateness can affect gravitational measurements and influence satellite orbits. When satellites are launched into orbit, scientists must account for the Earth's oblateness to ensure accurate positioning and functioning of these satellites. The effects of oblateness become particularly important in applications such as GPS technology, where precision is crucial. In addition to its implications for satellite technology, oblateness plays a role in our understanding of climate patterns and ocean currents. The distribution of mass on Earth, influenced by its oblateness, affects how water moves across the planet's surface. For example, the equatorial regions, being more prominent due to oblateness, experience different climatic conditions than the polar regions. This difference in climate can lead to variations in weather patterns and ocean circulation, which are vital for predicting natural phenomena like hurricanes and El Niño events. Moreover, the study of oblateness extends beyond Earth. Other celestial bodies, such as Jupiter and Saturn, exhibit pronounced oblateness due to their rapid rotation and gaseous compositions. Scientists analyze these characteristics to gain insights into the formation and evolution of the solar system. By studying the oblateness of various planets, researchers can infer information about their internal structures, rotational dynamics, and even their potential for hosting life. In conclusion, the term oblateness encapsulates a fascinating aspect of planetary science that influences many areas of research and technology. From the intricate workings of satellite navigation systems to the broader understanding of climate and oceanic processes, oblateness serves as a reminder of the complexities of our planet and its place in the universe. As we continue to explore and study these phenomena, the importance of oblateness will undoubtedly remain a key topic in the realms of science and technology, highlighting the interconnectedness of physical principles and their real-world applications.

‘oblateness’这个概念指的是球体在极地的扁平化以及在赤道的隆起，这是行星等天体的一个常见特征。这种现象可以归因于这些天体的自转，导致其形状略微偏离完美的球形。例如，地球并不是一个完美的球体；相反，它呈现出一种‘oblateness’，导致它在赤道处的宽度略大于在极地处的宽度。地球形状的这一特征对地质学、天文学甚至导航等多个科学领域具有重要意义。 理解‘oblateness’对于研究地球结构和动态的地球物理学家至关重要。‘oblateness’的程度会影响重力测量，并影响卫星轨道。当卫星被发射到轨道上时，科学家必须考虑地球的‘oblateness’，以确保这些卫星的准确定位和功能。‘oblateness’的影响在GPS技术等需要精确度的应用中尤为重要。 除了对卫星技术的影响，‘oblateness’在我们理解气候模式和海洋洋流方面也发挥了作用。地球上质量的分布受到其‘oblateness’的影响，从而影响水在地球表面的移动。例如，由于‘oblateness’，赤道地区由于更为突出，经历的气候条件与极地地区不同。这种气候差异可能导致天气模式和海洋环流的变化，这对于预测自然现象如飓风和厄尔尼诺事件至关重要。 此外，‘oblateness’的研究不仅限于地球。其他天体，如木星和土星，由于其快速旋转和气态组成，表现出明显的‘oblateness’。科学家分析这些特征，以深入了解太阳系的形成和演化。通过研究各种行星的‘oblateness’，研究人员可以推断出有关其内部结构、自转动态，甚至是其是否适合生命存在的信息。 总之，‘oblateness’这个术语概括了行星科学中的一个迷人方面，影响着许多研究和技术领域。从卫星导航系统的复杂运作到对气候和海洋过程的更广泛理解，‘oblateness’提醒我们注意地球及其在宇宙中的位置的复杂性。随着我们继续探索和研究这些现象，‘oblateness’的重要性无疑将继续成为科学和技术领域的一个关键话题，突显出物理原理及其现实世界应用之间的相互联系。