altitude on the prime vertical

简明释义

1. 东西圈高度; 2. 卯酉圈; 3. 高度;

英英释义

例句

1.The surveyor noted the altitude on the prime vertical during the land assessment.

测量员在土地评估期间注意到了在主垂直线上的高度。

2.In astronomy, measuring the altitude on the prime vertical helps in locating stars accurately.

在天文学中，测量在主垂直线上的高度有助于准确定位星星。

3.Pilots often refer to the altitude on the prime vertical when aligning their flight path.

飞行员在调整飞行路径时经常参考在主垂直线上的高度。

4.Understanding the altitude on the prime vertical is essential for accurate navigation.

理解在主垂直线上的高度对于准确导航至关重要。

5.The navigator calculated the altitude on the prime vertical to determine the ship's position.

导航员计算了在主垂直线上的高度以确定船只的位置。

作文

In the realm of astronomy and navigation, understanding various terms is crucial for accurate measurements and observations. One such term is altitude on the prime vertical, which refers to the angle between an object in the sky and the observer's local horizon when the object is at its highest point along the prime vertical. The prime vertical is an imaginary line that runs from the north point on the horizon to the south point, passing directly overhead at the zenith. This concept is vital for astronomers and navigators, as it helps them determine the position of celestial bodies relative to the Earth.To grasp the significance of altitude on the prime vertical, one must first understand the basics of celestial navigation. Celestial navigation relies on the positions of stars, planets, and other celestial objects to ascertain one's location on Earth. By measuring the altitude of these objects, navigators can calculate their latitude and longitude. The altitude on the prime vertical specifically aids in this process by providing a reference point for the highest point of an object as it moves across the sky.For example, imagine a sailor on a ship navigating through the open sea. By using a sextant to measure the altitude of the North Star, the sailor can determine their latitude. However, to achieve precise navigation, the sailor must also consider the altitude on the prime vertical. If the North Star reaches its maximum altitude along the prime vertical, the sailor knows they are aligned correctly with their geographical position.Moreover, the concept of altitude on the prime vertical is not limited to navigation; it also plays a significant role in observational astronomy. Astronomers use telescopes to observe celestial phenomena, and understanding the altitude of objects in relation to the prime vertical allows them to track movements and predict events like eclipses or transits. For instance, when a planet approaches its highest point in the sky, knowing its altitude on the prime vertical helps astronomers plan their observations accordingly, ensuring they capture the most significant moments.In addition to practical applications, the altitude on the prime vertical also provides insight into the Earth's rotation and the movement of celestial bodies. As the Earth rotates, different stars and planets rise and set at varying angles, creating a dynamic sky that changes throughout the night. By studying these changes, scientists can better understand timekeeping and the mechanics of our solar system.In conclusion, the term altitude on the prime vertical encapsulates a fundamental aspect of both navigation and astronomy. It serves as a critical reference point for determining the position of celestial bodies and enhances our understanding of the cosmos. Whether one is sailing across the ocean or gazing at the stars, this concept bridges the gap between Earth and the universe, allowing for a deeper appreciation of our place within it. Understanding altitude on the prime vertical is essential for anyone interested in the sciences of navigation and astronomy, providing tools to explore and comprehend the vastness of space and time.

在天文学和导航领域，理解各种术语对于准确的测量和观察至关重要。其中一个术语是在本初垂线上的高度，它指的是天空中一个物体与观察者的当地地平线之间的角度，当该物体在本初垂线上的最高点时。 本初垂线是一条想象中的线，从地平线上的北点延伸到南点，正好经过天顶。这个概念对天文学家和导航员至关重要，因为它帮助他们确定天体相对于地球的位置。要理解在本初垂线上的高度的重要性，首先必须了解天体导航的基础知识。天体导航依赖于星星、行星和其他天体的位置来确定一个人在地球上的位置。通过测量这些物体的高度，导航员可以计算他们的纬度和经度。特别是在本初垂线上的高度在这个过程中提供了一个参考点，用于确定一个物体在天空中移动时的最高点。例如，想象一下一个在开阔海域航行的水手。通过使用六分仪测量北极星的高度，水手可以确定他们的纬度。然而，为了实现精确的导航，水手还必须考虑在本初垂线上的高度。如果北极星在本初垂线上达到其最大高度，水手就知道他们与地理位置正确对齐。此外，在本初垂线上的高度的概念不仅限于导航；它在观测天文学中也发挥着重要作用。天文学家使用望远镜观察天体现象，理解物体相对于本初垂线的高度使他们能够跟踪运动并预测日食或凌日等事件。例如，当一颗行星接近天空中的最高点时，了解其在本初垂线上的高度有助于天文学家相应地规划他们的观察，确保他们捕捉到最重要的时刻。除了实际应用外，在本初垂线上的高度还提供了对地球自转和天体运动的见解。随着地球的自转，不同的星星和行星以不同的角度升起和落下，创造出一个动态的天空，夜间不断变化。通过研究这些变化，科学家可以更好地理解时间测量和我们太阳系的机制。总之，术语在本初垂线上的高度概括了导航和天文学的基本方面。它作为确定天体位置的关键参考点，并增强了我们对宇宙的理解。无论是在海洋上航行还是仰望星空，这个概念都架起了地球与宇宙之间的桥梁，使我们更深入地欣赏我们在其中的位置。理解在本初垂线上的高度对任何对导航和天文学感兴趣的人来说都是必不可少的，它为探索和理解空间和时间的广阔提供了工具。