latitude by meridian altitude

简明释义

中天高度求纬度

英英释义

例句

1.Using latitude by meridian altitude, the explorers were able to map uncharted territories.

利用经度的子午线高度，探险者能够绘制未标记的领土。

2.In astronomy, latitude by meridian altitude helps in determining the observer's location on Earth.

在天文学中，经度的子午线高度有助于确定观察者在地球上的位置。

3.To find the exact coordinates, the scientist relied on latitude by meridian altitude measurements.

为了找到确切的坐标，科学家依赖于经度的子午线高度测量。

4.The pilot ensured the flight path was correct by checking the latitude by meridian altitude against the charts.

飞行员通过将经度的子午线高度与图表进行对比，确保航线正确。

5.The navigator calculated the ship's position using latitude by meridian altitude, which is crucial for accurate navigation.

导航员通过经度的子午线高度计算了船的位置，这对准确导航至关重要。

作文

Understanding the concept of navigation and geographical positioning is essential in our modern world. One of the fundamental components of this understanding is the measurement of latitude and longitude. Latitude refers to the distance north or south of the equator, while longitude indicates the distance east or west of the prime meridian. Among various methods of determining latitude, one particularly interesting approach is known as latitude by meridian altitude. This technique utilizes the altitude of celestial bodies, such as the sun, at a specific time to calculate the observer's latitude.To grasp how latitude by meridian altitude works, we first need to understand the role of the meridian. A meridian is an imaginary line that runs from the North Pole to the South Pole, intersecting the equator at a right angle. When the sun reaches its highest point in the sky at noon, it is said to be at the meridian. By measuring the angle of the sun above the horizon at this moment, navigators can determine their latitude. The higher the sun appears in the sky, the closer the observer is to the equator.For example, if a navigator measures the altitude of the sun at noon and finds it to be 70 degrees, they can use this information along with the date to calculate their latitude. The formula involves taking the altitude of the sun and subtracting it from 90 degrees, then adjusting for the declination of the sun on that particular day. This calculation allows the navigator to pinpoint their latitude accurately.The significance of latitude by meridian altitude extends beyond mere navigation. It represents humanity's quest for understanding our place on Earth. Historically, sailors and explorers relied on this method during their voyages across uncharted waters. Before the advent of advanced technology like GPS, this technique was crucial for determining one’s position and ensuring safe travel.Moreover, the practice of using latitude by meridian altitude highlights the intricate relationship between astronomy and geography. It illustrates how celestial observations can provide valuable insights into our planet's coordinates. This connection fosters a greater appreciation for the natural world and encourages individuals to explore the skies and their significance.In contemporary times, while technology has simplified navigation through devices like smartphones and GPS systems, the principles behind latitude by meridian altitude remain relevant. Understanding these concepts can enhance our awareness of geography and inspire us to appreciate the science behind navigation. It serves as a reminder that even in our technologically advanced society, the fundamental principles of navigation are rooted in natural phenomena.In conclusion, the method of calculating latitude by meridian altitude is not only a practical navigational tool but also a profound representation of humanity’s relationship with the Earth and the cosmos. Whether for historical exploration or modern-day travel, this technique underscores the importance of understanding our geographical coordinates. As we continue to advance in technology, let us not forget the foundational principles that have guided explorers for centuries and the beauty of the natural world that continues to influence our lives.

理解导航和地理定位的概念在我们现代世界中至关重要。纬度和经度的测量是这种理解的基本组成部分。纬度是指赤道以北或以南的距离，而经度则表示东经或西经的距离。在确定纬度的各种方法中，有一种特别有趣的方法被称为通过子午线高度确定纬度。该技术利用特定时间天体（如太阳）的高度来计算观察者的纬度。要理解通过子午线高度确定纬度的工作原理，我们首先需要了解子午线的角色。子午线是一条从北极延伸到南极的虚拟线，与赤道成直角相交。当太阳在正午时达到天空中的最高点时，称其处于子午线上。通过测量此刻太阳在地平面上的角度，导航员可以确定他们的纬度。太阳在天空中出现得越高，观察者离赤道就越近。例如，如果导航员在正午测量太阳的高度并发现其为70度，他们可以利用这一信息以及日期来计算他们的纬度。这个公式涉及将太阳的高度减去90度，然后根据当天太阳的偏差进行调整。这个计算使导航员能够准确地找出他们的纬度。通过子午线高度确定纬度的重要性超出了单纯的导航。它代表了人类对理解我们在地球上位置的追求。从历史上看，水手和探险家在穿越未知水域的航行中依赖这一方法。在先进技术如GPS出现之前，这种技术对确定位置和确保安全旅行至关重要。此外，使用通过子午线高度确定纬度的做法突显了天文学与地理之间错综复杂的关系。它说明了天体观测如何提供关于我们星球坐标的宝贵见解。这种联系促使人们更加欣赏自然世界，并鼓励个人探索天空及其重要性。在当代，尽管技术通过智能手机和GPS系统简化了导航，但通过子午线高度确定纬度背后的原则仍然相关。理解这些概念可以增强我们对地理的认识，并激励我们欣赏导航背后的科学。这提醒我们，即使在科技先进的社会中，导航的基本原则也根植于自然现象之中。总之，通过通过子午线高度确定纬度的方法不仅是一个实用的导航工具，而且是人类与地球及宇宙关系的深刻表现。无论是为了历史探索还是现代旅行，这一技术都强调了理解我们地理坐标的重要性。随着我们在技术上的不断进步，让我们不要忘记那些指导探险者几个世纪以来的基础原则，以及继续影响我们生活的自然世界的美。