meridian angle

简明释义

子午角(向东或向西

英英释义

例句

1.The architect used the meridian angle 子午角 to optimize sunlight exposure for the building.

建筑师使用meridian angle 子午角来优化建筑物的阳光照射。

2.In navigation, knowing the meridian angle 子午角 helps sailors find their way at sea.

在航海中，了解meridian angle 子午角可以帮助水手在海上找到航向。

3.The GPS device calculates your location based on the meridian angle 子午角 and other coordinates.

GPS设备根据meridian angle 子午角和其他坐标计算您的位置。

4.During the solar observation, scientists measured the meridian angle 子午角 to track the sun's path.

在太阳观察期间，科学家测量了meridian angle 子午角以追踪太阳的轨迹。

5.The astronomer calculated the meridian angle 子午角 to determine the exact position of the star in the sky.

天文学家计算了meridian angle 子午角，以确定星星在天空中的确切位置。

作文

Understanding the concept of meridian angle is crucial for anyone studying astronomy or navigation. The term refers to the angle formed between a celestial object and the local meridian, which is an imaginary line that runs from the north to the south pole, passing directly overhead at any given location. This angle plays a significant role in determining the position of stars and planets in the sky, as well as in the calculation of time and geographic coordinates.In astronomy, the meridian angle helps astronomers pinpoint the exact location of celestial bodies. For instance, when observing a star, the observer can measure the angle between the star and the local meridian. This measurement allows astronomers to track the star's movement throughout the night and across different seasons. By understanding the meridian angle, astronomers can also calculate the rise and set times of stars, which are essential for both amateur stargazers and professional astronomers.In navigation, the meridian angle is equally important. Sailors and pilots use it to determine their position on Earth. By knowing their latitude and the meridian angle of a celestial object, they can calculate their longitude. This information is vital for safe travel across oceans and through the skies. For example, if a sailor knows the meridian angle of the sun at noon, they can determine their position relative to the equator and calculate how far east or west they are from their starting point.The significance of the meridian angle extends beyond mere calculations. It also has historical implications. Ancient civilizations, such as the Greeks and the Chinese, used the concept of meridian angle to develop their calendars and agricultural practices. By observing the positions of celestial bodies in relation to the meridian, they could predict seasonal changes and plan their planting and harvesting accordingly.In modern times, technology has advanced our understanding of the meridian angle even further. With the advent of GPS and sophisticated astronomical software, we can now calculate this angle with remarkable precision. However, the fundamental principles remain the same. Whether using a sextant at sea or a telescope in an observatory, the meridian angle continues to be a vital tool for understanding our place in the universe.In conclusion, the meridian angle is more than just an abstract concept; it is a practical tool that has guided humanity for centuries. From ancient navigators to modern astronomers, the ability to measure and understand this angle has been essential for exploration and discovery. As we continue to explore the cosmos and navigate our world, the meridian angle will undoubtedly remain a key component of our journey. Its relevance spans across disciplines, illustrating the interconnectedness of science, history, and human experience.

理解子午线角这一概念对任何研究天文学或导航的人来说都是至关重要的。该术语指的是一个天体与当地子午线之间形成的角度，子午线是从北极到南极的想象线，在任何给定位置正好从头顶通过。这个角度在确定星星和行星在天空中的位置、计算时间和地理坐标方面发挥着重要作用。在天文学中，子午线角帮助天文学家准确定位天体。例如，当观察一颗星星时，观察者可以测量星星与当地子午线之间的角度。这个测量允许天文学家追踪星星在夜空中的运动以及在不同季节的变化。通过理解子午线角，天文学家还可以计算星星的升起和落下时间，这对业余观星者和专业天文学家都是至关重要的。在导航中，子午线角同样重要。水手和飞行员利用它来确定他们在地球上的位置。通过知道他们的纬度和某个天体的子午线角，他们可以计算出自己的经度。这些信息对于安全穿越海洋和天空至关重要。例如，如果一位水手知道中午太阳的子午线角，他们就可以确定自己相对于赤道的位置，并计算出他们距离起点东西方向的距离。子午线角的重要性不仅限于简单的计算，它还有历史意义。古代文明，如希腊人和中国人，利用子午线角的概念来制定他们的日历和农业实践。通过观察天体相对于子午线的位置，他们能够预测季节变化，并相应地计划播种和收获。在现代，科技进一步推动了我们对子午线角的理解。随着GPS和复杂天文软件的出现，我们现在能够以惊人的精确度计算这个角度。然而，基本原则仍然不变。无论是在海上使用六分仪还是在天文台使用望远镜，子午线角依旧是理解我们在宇宙中位置的关键工具。总之，子午线角不仅仅是一个抽象的概念；它是一个实用的工具，几个世纪以来一直指导着人类。从古代航海者到现代天文学家，测量和理解这个角度的能力对于探索和发现至关重要。随着我们继续探索宇宙和导航我们的世界，子午线角无疑将继续成为我们旅程的关键组成部分。它的相关性跨越多个学科，展示了科学、历史和人类经验之间的相互联系。