oblate spheroid

简明释义

扁球体

英英释义

例句

1.In geometry, an oblate spheroid is created by rotating an ellipse about its minor axis.

在几何学中，扁球体是通过围绕其短轴旋转椭圆而形成的。

2.Satellites often take into account the oblate spheroid shape of the Earth when calculating their orbits.

卫星在计算轨道时常常考虑地球的扁球体形状。

3.The Earth is best described as an oblate spheroid, meaning it is slightly flattened at the poles and bulging at the equator.

地球最好被描述为一个扁球体，这意味着它在两极略微扁平，而在赤道处隆起。

4.Mathematicians use the concept of an oblate spheroid to model various physical phenomena on Earth.

数学家使用扁球体的概念来模拟地球上的各种物理现象。

5.The gravitational field of an oblate spheroid is more complex than that of a perfect sphere.

与完美球体相比，扁球体的引力场更为复杂。

作文

The Earth is often described as an oblate spheroid, which means that it is slightly flattened at the poles and bulging at the equator. This unique shape arises from the rotation of the Earth on its axis, which causes a centrifugal force that pushes out the equatorial region. Understanding the concept of an oblate spheroid is essential in various fields such as geography, astronomy, and physics. It helps scientists and researchers accurately model the Earth's gravitational field and predict how objects will behave in relation to the planet. In geography, the oblate spheroid shape of the Earth affects navigation and mapping. Traditional maps often distort the true distances and areas because they attempt to represent a three-dimensional object on a two-dimensional surface. Knowing that the Earth is an oblate spheroid allows cartographers to create more accurate representations of landmasses and bodies of water. This understanding is crucial for pilots, sailors, and anyone who relies on precise navigation.Astronomers also benefit from the knowledge of the Earth’s oblate spheroid shape when studying other celestial bodies. Many planets and moons exhibit similar characteristics, and recognizing these shapes can lead to insights about their formation and behavior. For instance, Jupiter and Saturn are also classified as oblate spheroids, and their atmospheric dynamics can be better understood through this lens. By comparing these celestial bodies to Earth, astronomers can develop theories about planetary evolution and the forces at play in the universe.In addition to geography and astronomy, the concept of an oblate spheroid extends into physics, particularly in the study of gravity. The gravitational force experienced by an object on the surface of the Earth is not uniform due to its shape. Objects near the equator experience slightly less gravitational pull compared to those at the poles. This phenomenon is a direct consequence of the Earth being an oblate spheroid. Understanding these variations is vital for engineers and architects when designing structures and systems that rely on gravitational calculations.Furthermore, the implications of the Earth’s oblate spheroid shape extend to satellite technology. Satellites orbiting the Earth must account for its shape to maintain proper trajectories. If engineers did not consider the oblate spheroid nature of our planet, satellites could end up in incorrect orbits, leading to communication failures or data inaccuracies. Therefore, the design and operation of satellite systems require a thorough understanding of the Earth as an oblate spheroid.In conclusion, the term oblate spheroid encapsulates a fundamental aspect of our planet's shape and has significant implications across various scientific disciplines. From navigation and mapping to astronomy and physics, the recognition of Earth as an oblate spheroid enhances our understanding of the world around us and the universe beyond. As we continue to explore and learn, this knowledge will remain vital for future discoveries and advancements in science and technology.

地球常被描述为一种扁椭球体，这意味着它在两极略微扁平，而在赤道处隆起。这种独特的形状源于地球围绕其轴的旋转，这导致了向外推送赤道区域的离心力。理解扁椭球体的概念在地理、天文学和物理等多个领域至关重要。它帮助科学家和研究人员准确建模地球的引力场，并预测物体与地球之间的行为。在地理学中，地球的扁椭球体形状影响导航和制图。传统地图常常由于试图将三维物体表示为二维表面而扭曲真实的距离和面积。知道地球是一个扁椭球体使制图师能够创建更准确的陆地和水域表示。这种理解对于飞行员、航海者以及任何依赖精确导航的人来说至关重要。天文学家也从了解地球的扁椭球体形状中受益，在研究其他天体时。许多行星和卫星表现出类似的特征，认识到这些形状可以使我们对它们的形成和行为有更深入的见解。例如，木星和土星也被归类为扁椭球体，它们的气候动态可以通过这一视角得到更好的理解。通过将这些天体与地球进行比较，天文学家可以发展关于行星演化和宇宙中作用力的理论。除了地理和天文学，扁椭球体的概念还扩展到物理学，特别是在引力研究中。由于地球的形状，物体在地球表面所经历的引力并不均匀。位于赤道附近的物体经历的引力略低于位于两极的物体。这一现象是地球作为扁椭球体的直接结果。理解这些变化对于工程师和建筑师在设计依赖于引力计算的结构和系统时至关重要。此外，地球的扁椭球体形状的影响扩展到卫星技术。绕地球轨道运行的卫星必须考虑其形状以维持正确的轨迹。如果工程师没有考虑我们星球的扁椭球体特性，卫星可能会进入错误的轨道，导致通信故障或数据不准确。因此，卫星系统的设计和操作需要对地球作为扁椭球体的理解。总之，术语扁椭球体概括了我们星球形状的基本方面，并在各个科学学科中具有重要意义。从导航和制图到天文学和物理，认识地球为扁椭球体增强了我们对周围世界和宇宙的理解。随着我们继续探索和学习，这一知识将对未来的发现和科学技术的进步至关重要。