equinoctial point

简明释义

二分点

英英释义

例句

1.The equinoctial point occurs twice a year, marking the start of spring and autumn.

春分点一年发生两次，标志着春季和秋季的开始。

2.The equinoctial point is significant for navigation as it helps sailors determine their position.

春分点对于航海来说非常重要，因为它帮助水手确定他们的位置。

3.Many cultures celebrate festivals at the equinoctial point to mark the changing seasons.

许多文化在春分点庆祝节日，以标志季节的变化。

4.During the equinoctial point, day and night are approximately equal in length.

在春分点期间，白天和夜晚的长度大致相等。

5.The astronomers gathered to observe the stars during the equinoctial point.

天文学家们聚集在一起观察星星，在春分点期间。

作文

The concept of the equinoctial point has fascinated astronomers and navigators for centuries. This term refers to the points in the celestial sphere where the celestial equator intersects the ecliptic. These points are crucial because they mark the beginning of the spring and autumn seasons, known as the vernal and autumnal equinoxes, respectively. During these times, day and night are approximately equal in length all over the planet. The equinoctial point is a significant astronomical phenomenon that influences various aspects of our lives, from agriculture to cultural traditions.Understanding the equinoctial point requires a bit of knowledge about the Earth's tilt and orbit around the Sun. The Earth is tilted on its axis at an angle of about 23.5 degrees. As it orbits the Sun, this tilt causes different parts of the Earth to receive varying amounts of sunlight throughout the year. When the Sun crosses the celestial equator during the equinoxes, it creates the unique phenomenon of equal day and night. This event not only signifies a change in seasons but also has profound implications for nature and human activities.For instance, many cultures celebrate the arrival of spring with festivals that coincide with the vernal equinox. In ancient times, people relied heavily on the changing seasons for agricultural practices. The equinoctial point served as a reminder to plant crops, as the days began to lengthen and temperatures rose. Similarly, the autumnal equinox marked the time for harvesting. Even today, many farmers still pay attention to these celestial markers to optimize their planting and harvesting schedules.Moreover, the equinoctial point has been a source of inspiration for artists, poets, and philosophers throughout history. The balance of light and dark during the equinoxes symbolizes harmony and equilibrium, themes that resonate deeply in various forms of art and literature. Many poems reflect on the beauty of nature during these transitional periods, highlighting the fleeting moments of balance between day and night.In addition to its cultural significance, the equinoctial point plays a vital role in navigation. Historically, sailors used the positions of stars and the Sun to determine their location at sea. By understanding the timing of the equinoxes, navigators could calculate their latitude and make more accurate maps. Today, while technology has advanced, the basic principles of celestial navigation still rely on understanding these astronomical events.In conclusion, the equinoctial point is more than just an astronomical term; it represents a connection between humanity and the cosmos. It influences our agricultural practices, inspires artistic expression, and aids in navigation. As we continue to explore the universe, understanding concepts like the equinoctial point helps us appreciate the intricate relationship between the Earth and the celestial bodies that govern our existence. Whether through science, culture, or art, the equinoctial point remains a significant aspect of our understanding of the world around us, reminding us of the cycles of nature and the importance of balance in our lives.

“春分点”这一概念数世纪以来一直吸引着天文学家和航海者。这个术语指的是天球上天赤道与黄道交汇的点。这些点至关重要，因为它们标志着春季和秋季的开始，分别被称为春分和秋分。在这些时刻，地球各地的白昼和黑夜大致相等。“春分点”是一个重要的天文现象，它影响着我们生活的各个方面，从农业到文化传统。理解“春分点”需要一些关于地球倾斜和围绕太阳轨道的知识。地球的轴线倾斜约23.5度。随着它围绕太阳公转，这种倾斜导致地球不同部分在一年中的不同时间接收不同数量的阳光。当太阳在春分和秋分期间穿越天赤道时，会产生白昼和黑夜平等的独特现象。这个事件不仅标志着季节的变化，还对自然和人类活动产生深远的影响。例如，许多文化在春分到来时庆祝与之相关的节日。在古代，人们在农业实践中高度依赖季节的变化。“春分点”提醒人们种植作物，因为白昼开始延长，温度上升。同样，秋分标志着收获的时间。即使在今天，许多农民仍然关注这些天文标记，以优化他们的种植和收获时间表。此外，“春分点”一直是历史上艺术家、诗人和哲学家的灵感来源。春分和秋分期间光与暗的平衡象征着和谐与均衡，这些主题在各种艺术和文学形式中都深深共鸣。许多诗歌反映了这些过渡时期自然之美，强调了白昼与黑夜之间短暂的平衡时刻。除了其文化意义外，“春分点”在导航中也起着重要作用。历史上，水手利用星星和太阳的位置来确定他们在海上的位置。通过理解春分和秋分的时机，航海者可以计算他们的纬度并制作更准确的地图。尽管今天技术已经进步，但天文导航的基本原理仍然依赖于对这些天文事件的理解。总之，“春分点”不仅仅是一个天文术语；它代表了人类与宇宙之间的联系。它影响着我们的农业实践，激发着艺术表现，并帮助导航。随着我们继续探索宇宙，理解像“春分点”这样的概念有助于我们欣赏地球与支配我们存在的天体之间错综复杂的关系。无论是通过科学、文化还是艺术，“春分点”仍然是我们理解周围世界的重要方面，提醒着我们自然的周期以及生活中平衡的重要性。