sight reduction tables

简明释义

高度方位表

英英释义

例句

1.In celestial navigation, sight reduction tables help convert astronomical observations into usable data.

在天文导航中，视线修正表帮助将天文观测转换为可用数据。

2.When navigating at sea, sailors often refer to sight reduction tables to calculate their position accurately.

在海上航行时，水手们常常参考视线修正表以准确计算他们的位置。

3.The use of sight reduction tables is essential for pilots when determining their flight path.

飞行员在确定飞行路径时，使用视线修正表是必不可少的。

4.Mariners need to master the use of sight reduction tables to ensure safe passage across oceans.

海员需要掌握使用视线修正表，以确保安全穿越海洋。

5.During training, cadets practice using sight reduction tables to improve their navigation skills.

在训练中，学员们练习使用视线修正表来提高他们的导航技能。

作文

Navigating the vast oceans and skies has always been a challenging endeavor for sailors and aviators alike. One of the key tools that have facilitated this process is the use of sight reduction tables. These tables are essential for accurately determining a vessel's or an aircraft's position based on celestial observations. By using these tables, navigators can convert angular measurements of celestial bodies into geographical coordinates, which is crucial for safe and effective navigation.The concept of celestial navigation dates back centuries, but it gained significant importance during the age of exploration when sailors ventured into uncharted waters. The ability to determine one’s position at sea was vital for avoiding hazards and ensuring a successful journey. This is where sight reduction tables come into play. They provide a systematic way to calculate the position of celestial bodies, such as the sun, moon, planets, and stars, relative to the observer’s location.To effectively use sight reduction tables, navigators must first take accurate measurements of the angles between the horizon and the celestial bodies they observe. This process involves using instruments such as sextants. Once these measurements are taken, the next step is to refer to the sight reduction tables to find the corresponding coordinates. The tables are designed to simplify complex calculations, allowing navigators to quickly and efficiently determine their position.One of the remarkable aspects of sight reduction tables is their ability to accommodate various factors that affect celestial navigation. For instance, they take into account the observer's altitude, the time of the observation, and the specific celestial body being measured. This level of detail ensures that the calculations yield accurate results, which is critical for navigation.Moreover, while modern technology has introduced advanced navigation systems such as GPS, the principles behind sight reduction tables remain relevant. Understanding how to use these tables provides navigators with a backup method in case electronic systems fail. Additionally, it fosters a deeper appreciation for traditional navigation techniques and the skills required to master them.In educational settings, teaching students about sight reduction tables not only equips them with practical skills but also encourages critical thinking and problem-solving. Students learn to analyze data, make calculations, and interpret results, all of which are valuable skills in various fields beyond navigation.Furthermore, the study of sight reduction tables can spark interest in astronomy and the sciences. As students engage with celestial navigation, they gain insights into the movements of celestial bodies and the fundamental principles of physics that govern these movements. This interdisciplinary approach enriches their learning experience and opens doors to further exploration in scientific fields.In conclusion, sight reduction tables are an indispensable tool for navigators, providing a reliable method for determining positions based on celestial observations. While technology continues to evolve, the foundational knowledge and skills associated with these tables remain relevant. They serve as a reminder of the ingenuity and resourcefulness of those who navigated the seas and skies long before the advent of modern technology. Understanding sight reduction tables not only enhances navigation skills but also cultivates a greater appreciation for the art and science of navigation.

航行在广阔的海洋和天空中，一直以来都是水手和飞行员面临的挑战之一。促进这一过程的关键工具之一就是使用sight reduction tables（观测简化表）。这些表格对于根据天体观测准确确定船只或飞机的位置至关重要。通过使用这些表格，导航员可以将天体的角度测量转换为地理坐标，这对安全有效的导航至关重要。天文导航的概念可以追溯到几个世纪以前，但在探索时代，它的重要性显著提升。当水手们进入未知水域时，确定自己在海上的位置至关重要。这就是sight reduction tables发挥作用的地方。它们提供了一种系统的方法，可以计算天体相对于观察者位置的坐标。为了有效使用sight reduction tables，导航员必须首先准确测量他们观察到的天体与地平线之间的角度。这一过程涉及使用如六分仪等仪器。一旦这些测量完成，下一步就是参考sight reduction tables以找到相应的坐标。这些表格旨在简化复杂的计算，使导航员能够快速有效地确定其位置。sight reduction tables的一个显著特点是它们能够适应影响天文导航的各种因素。例如，它们考虑了观察者的高度、观察时间和被测天体的具体情况。这种细致入微的程度确保计算结果的准确性，这对导航至关重要。此外，尽管现代技术引入了先进的导航系统，如GPS，但sight reduction tables背后的原理仍然相关。理解如何使用这些表格为导航员提供了一种备份方法，以防电子系统故障。此外，它还培养了对传统导航技术及其掌握所需技能的更深层次的欣赏。在教育环境中，教学生关于sight reduction tables的知识不仅使他们具备实用技能，还能激励批判性思维和解决问题的能力。学生学习分析数据、进行计算和解释结果，这些都是各个领域中有价值的技能。此外，学习sight reduction tables可以激发对天文学和科学的兴趣。当学生参与天文导航时，他们获得了关于天体运动的见解，以及支配这些运动的物理基本原理。这种跨学科的方法丰富了他们的学习体验，并为进一步探索科学领域打开了大门。总之，sight reduction tables是导航员不可或缺的工具，为基于天体观测确定位置提供了可靠的方法。尽管技术不断发展，但与这些表格相关的基础知识和技能依然重要。它们提醒我们，在现代技术出现之前，那些航行于海洋和天空的人们的聪明才智和资源fulness。理解sight reduction tables不仅增强了导航技能，还培养了对导航艺术和科学的更大欣赏。