Nautical Almanac

简明释义

《航海天文历》航海历航海历

英英释义

例句

1.The Nautical Almanac provides essential data for plotting a ship's course.

Nautical Almanac（航海年鉴）提供了绘制船只航线所需的基本数据。

2.Using the Nautical Almanac, navigators can determine their position at sea.

利用Nautical Almanac（航海年鉴），导航员可以确定他们在海上的位置。

3.Before setting sail, it's crucial to check the Nautical Almanac for tide information.

在启航之前，检查Nautical Almanac（航海年鉴）的潮汐信息是至关重要的。

4.Sailors often refer to the Nautical Almanac for accurate celestial navigation.

水手们常常参考Nautical Almanac（航海年鉴）以进行准确的天文导航。

5.The latest edition of the Nautical Almanac includes updated star charts.

最新版本的Nautical Almanac（航海年鉴）包含了更新的星图。

作文

The Nautical Almanac is an essential reference for navigators and mariners, providing crucial astronomical data necessary for safe and accurate navigation at sea. This publication has a rich history, dating back to the 18th century when it was first introduced to aid sailors in determining their positions on the open ocean. The primary purpose of the Nautical Almanac is to offer information about celestial bodies, such as the sun, moon, planets, and stars, which are vital for celestial navigation. By using this data, sailors can calculate their latitude and longitude, enabling them to chart a course and avoid hazards at sea.One of the key features of the Nautical Almanac is its tables, which provide the positions of celestial bodies at various times throughout the year. These tables are meticulously calculated and published annually, allowing navigators to access reliable information regardless of their location. The Nautical Almanac also includes additional data such as tidal predictions, sunrise and sunset times, and other astronomical phenomena that can affect navigation.In modern times, while GPS technology has largely taken over the role of navigation, the Nautical Almanac remains relevant, especially in situations where electronic devices fail or are unavailable. Many experienced sailors still rely on traditional navigation techniques, using the Nautical Almanac to ensure they can find their way even when technology fails. This reliance on traditional methods emphasizes the importance of understanding celestial navigation and the role the Nautical Almanac plays in this process.Furthermore, the Nautical Almanac serves as an educational tool for those learning about navigation. It provides insights into the movements of celestial bodies and how they relate to the Earth, fostering a deeper appreciation for the science of navigation. By studying the Nautical Almanac, aspiring navigators can develop their skills in calculating positions and understanding the intricacies of the night sky.Another important aspect of the Nautical Almanac is its role in maritime safety. Accurate navigation is critical for avoiding collisions, grounding, and other maritime accidents. By providing reliable data, the Nautical Almanac helps ensure that mariners can make informed decisions, ultimately contributing to safer seas. In regions with challenging navigation conditions, such as coastal areas or busy shipping lanes, the information contained in the Nautical Almanac becomes even more crucial.In conclusion, the Nautical Almanac is more than just a book of tables; it is a vital resource that has stood the test of time. Its historical significance, practical applications, and educational value make it an indispensable tool for anyone involved in maritime navigation. As technology continues to evolve, the Nautical Almanac remains a testament to the enduring importance of celestial navigation and the art of finding one's way across the vast oceans. Whether used by seasoned sailors or students of navigation, the Nautical Almanac will always hold a special place in the world of maritime exploration and safety.

《航海年鉴》是导航员和海员的重要参考资料，提供安全和准确的海上导航所需的关键天文数据。这一出版物有着悠久的历史，追溯到18世纪，当时首次推出以帮助水手确定在开阔海洋上的位置。《航海年鉴》的主要目的是提供有关天体的信息，如太阳、月亮、行星和恒星，这些都是天文导航的重要组成部分。通过使用这些数据，水手可以计算他们的纬度和经度，从而能够制定航线并避免海上的危险。《航海年鉴》的一个主要特点是其表格，提供了天体在一年不同时间的位置。这些表格经过精确计算，每年发布一次，使导航员能够访问可靠的信息，无论他们身处何地。《航海年鉴》还包括其他数据，例如潮汐预测、日出和日落时间以及可能影响导航的其他天文现象。在现代，虽然GPS技术在很大程度上取代了导航的角色，但《航海年鉴》仍然相关，尤其是在电子设备故障或不可用的情况下。许多经验丰富的水手仍然依赖传统的导航技术，使用《航海年鉴》来确保即使在技术失效时也能找到方向。这种对传统方法的依赖强调了理解天文导航的重要性，以及《航海年鉴》在这一过程中的作用。此外，《航海年鉴》作为学习导航的教育工具也非常重要。它提供了关于天体运动及其与地球关系的见解，培养了人们对导航科学的更深层次的欣赏。通过研究《航海年鉴》，有志于成为导航员的人可以提高他们计算位置和理解夜空复杂性的技能。《航海年鉴》的另一个重要方面是其在海事安全中的作用。准确的导航对于避免碰撞、搁浅和其他海事事故至关重要。通过提供可靠的数据，《航海年鉴》帮助确保水手能够做出明智的决定，从而最终促进海上安全。在导航条件具有挑战性的地区，例如沿海地区或繁忙的航运通道，《航海年鉴》中包含的信息变得更加重要。总之，《航海年鉴》不仅仅是一本表格书；它是一个经历时间考验的重要资源。它的历史意义、实用应用和教育价值使其成为任何参与海上导航的人的不可或缺的工具。随着技术的不断发展，《航海年鉴》仍然是天文导航和在广阔海洋中寻找方向的艺术的重要见证。无论是由经验丰富的水手还是导航学生使用，《航海年鉴》在海洋探索和安全的世界中始终占有特殊的地位。