mean obliquity

简明释义

平均黄赤交角

英英释义

例句

1.Astronomers calculate the mean obliquity 平均倾斜角 to predict climate changes over millennia.

天文学家计算mean obliquity 平均倾斜角 以预测千年的气候变化。

2.The mean obliquity 平均倾斜角 of the Moon has implications for tidal patterns on Earth.

月球的mean obliquity 平均倾斜角 对地球的潮汐模式有影响。

3.Understanding the mean obliquity 平均倾斜角 helps scientists model planetary climates.

理解mean obliquity 平均倾斜角 有助于科学家建模行星气候。

4.The Earth's mean obliquity 平均倾斜角 affects the seasonal variations we experience.

地球的mean obliquity 平均倾斜角 影响着我们所经历的季节变化。

5.The mean obliquity 平均倾斜角 of Mars is different from that of Earth, influencing its weather patterns.

火星的mean obliquity 平均倾斜角 与地球不同，影响着其天气模式。

作文

The concept of mean obliquity refers to the average angle of the Earth's axial tilt relative to its orbital plane over a significant period. This axial tilt, which is approximately 23.5 degrees, plays a crucial role in determining the climate and seasonal variations on our planet. Understanding mean obliquity is essential for comprehending how the Earth interacts with the sun and how this interaction influences various environmental factors.Historically, ancient civilizations were aware of the importance of the Earth's tilt. The Egyptians, for instance, aligned their pyramids with the stars, demonstrating an understanding of celestial mechanics. However, it wasn't until the advent of modern astronomy that the precise measurement of mean obliquity became possible. Astronomers began to realize that the Earth's axial tilt is not constant; it varies due to gravitational interactions with other celestial bodies, particularly the moon and other planets. This variation can influence long-term climate patterns, leading to phenomena such as ice ages.The significance of mean obliquity extends beyond mere academic interest. It has practical implications for agriculture, navigation, and even architecture. For example, farmers rely on seasonal changes in sunlight, which are directly affected by the Earth's tilt. Understanding the timing and intensity of sunlight can help them optimize planting and harvesting schedules.In contemporary climate science, mean obliquity is a critical factor in modeling Earth’s climate systems. Scientists study past variations in the axial tilt to predict future climate scenarios. These models help us understand potential shifts in weather patterns, sea-level rise, and ecosystem changes. As our planet faces unprecedented challenges due to climate change, grasping the implications of mean obliquity becomes increasingly vital.Moreover, the study of mean obliquity reveals insights into the long-term stability of the Earth's climate. Variations in axial tilt can lead to significant changes in the distribution of solar energy received by different regions of the Earth. This can result in drastic changes in climate, such as prolonged periods of cold or heat. By analyzing these patterns, scientists can better understand the natural cycles of climate change and how they may be influenced by human activity.In conclusion, mean obliquity is not just an abstract scientific concept; it is a fundamental aspect of our planet's behavior that affects everything from agriculture to climate science. By studying this phenomenon, we gain valuable insights into the intricate relationships between celestial mechanics and life on Earth. As we continue to explore and understand our universe, the knowledge of mean obliquity will undoubtedly play a pivotal role in shaping our approach to environmental stewardship and sustainability.

“平均倾斜度”这个概念指的是地球轴向相对于其轨道平面在较长时间内的平均倾斜角度。这个轴向倾斜角度大约为23.5度，它在决定我们星球的气候和季节变化中起着至关重要的作用。理解“平均倾斜度”对于理解地球如何与太阳相互作用以及这种相互作用如何影响各种环境因素至关重要。从历史上看，古代文明就意识到地球倾斜度的重要性。例如，埃及人将他们的金字塔与星星对齐，显示出他们对天体力学的理解。然而，直到现代天文学的出现，“平均倾斜度”的精确测量才成为可能。天文学家开始意识到，地球的轴向倾斜并不是恒定的；它会因与其他天体（特别是月球和其他行星）的引力相互作用而变化。这种变化可能会影响长期的气候模式，导致诸如冰河时代等现象。“平均倾斜度”的重要性不仅限于学术兴趣。它对农业、航海甚至建筑都有实际影响。例如，农民依赖于阳光的季节性变化，而这些变化直接受到地球倾斜的影响。了解阳光的时机和强度可以帮助他们优化种植和收获的时间表。在当代气候科学中，“平均倾斜度”是建模地球气候系统的关键因素。科学家研究过去的轴向倾斜变化，以预测未来的气候情景。这些模型帮助我们理解天气模式的潜在变化、海平面上升和生态系统变化。随着我们的星球面临前所未有的气候变化挑战，掌握“平均倾斜度”的影响变得越来越重要。此外，研究“平均倾斜度”揭示了地球气候长期稳定性的见解。轴向倾斜的变化可能导致不同区域接收到的太阳能分布发生显著变化。这可能导致气候的剧烈变化，例如寒冷或炎热的长期时期。通过分析这些模式，科学家们可以更好地理解气候变化的自然周期以及这些周期如何可能受到人类活动的影响。总之，“平均倾斜度”不仅仅是一个抽象的科学概念；它是我们星球行为的基本方面，影响着从农业到气候科学的方方面面。通过研究这一现象，我们获得了关于天体力学与地球生命之间复杂关系的宝贵见解。随着我们继续探索和理解我们的宇宙，“平均倾斜度”的知识无疑将在塑造我们对环境管理和可持续发展的方法中发挥关键作用。