magnetic compass table

简明释义

自差表

英英释义

例句

1.Before setting sail, the captain consulted the magnetic compass table to ensure accurate navigation.

在起航之前，船长查阅了磁罗盘表以确保导航的准确性。

2.The pilot referred to the magnetic compass table to adjust the aircraft's heading during the flight.

飞行员在飞行过程中参考了磁罗盘表来调整飞机的航向。

3.In maritime navigation, a magnetic compass table is essential for avoiding hazards.

在海洋导航中，磁罗盘表对避免危险至关重要。

4.The instructor taught us how to read a magnetic compass table during the orienteering course.

教练在定向越野课程中教我们如何读取磁罗盘表。

5.During the hiking trip, we used a magnetic compass table to determine our direction in the dense forest.

在徒步旅行中，我们使用了磁罗盘表来确定我们在茂密森林中的方向。

作文

The use of a magnetic compass has been crucial for navigation for centuries. One essential tool that enhances the functionality of a magnetic compass is the magnetic compass table. This table provides navigators with vital information regarding the magnetic variations and corrections needed to ensure accurate readings. In this essay, we will explore the significance of the magnetic compass table in maritime navigation, its components, and how it aids sailors in their journeys across the seas.To begin with, the magnetic compass table is designed to account for the Earth's magnetic field's irregularities. The Earth is not a perfect magnet; thus, navigators must understand the concept of magnetic declination, which is the angle between magnetic north and true north. The magnetic compass table contains data that reflects these variations based on geographical locations. By consulting this table, sailors can adjust their compass readings accordingly, ensuring they are heading in the correct direction.Moreover, the magnetic compass table is instrumental in determining the compass error, which can arise from various factors such as local magnetic anomalies or the presence of metallic objects on the vessel. This table helps navigators identify these errors and apply necessary corrections, thereby enhancing the reliability of their navigation systems. Without the magnetic compass table, sailors would be at a significant disadvantage, relying solely on their instincts and experiences, which can lead to disastrous consequences.In addition to its practical applications, the magnetic compass table serves an educational purpose. It teaches aspiring navigators about the complexities of magnetic navigation. Understanding how to read and utilize the magnetic compass table is a fundamental skill for anyone who wishes to venture into the world of sailing. Training programs often include lessons on how to interpret the data presented in the table, making it an integral part of navigational education.Furthermore, the advent of modern technology has not diminished the importance of the magnetic compass table. While GPS and electronic navigation systems have become prevalent, many experienced sailors still rely on traditional navigation methods, including the use of a magnetic compass and its accompanying table. This reliance on time-tested tools highlights the magnetic compass table's enduring relevance in navigation.In conclusion, the magnetic compass table is an indispensable resource for navigators, providing essential data for accurate compass readings. Its role in calculating magnetic declination and compass errors cannot be overstated. As both a practical tool and an educational resource, the magnetic compass table ensures that sailors can navigate the vast oceans with confidence and precision. Whether one is a seasoned sailor or a novice, understanding and utilizing the magnetic compass table is crucial for successful navigation and safe voyages across the waters.

使用磁罗盘在几个世纪以来一直对导航至关重要。增强磁罗盘功能的一个重要工具是磁罗盘表。该表为导航员提供有关磁性变化和确保准确读数所需的修正的重要信息。在这篇文章中，我们将探讨磁罗盘表在海洋导航中的重要性、其组成部分以及它如何帮助水手在海上航行。首先，磁罗盘表旨在考虑地球磁场的不规则性。地球并不是一个完美的磁体；因此，导航员必须理解磁偏角的概念，即磁北与真北之间的角度。磁罗盘表包含反映这些变化的数据，基于地理位置。通过查阅此表，水手可以相应调整他们的罗盘读数，确保他们朝着正确的方向前进。此外，磁罗盘表在确定罗盘误差方面也起着重要作用，误差可能由于局部磁异常或船上金属物体的存在等各种因素而产生。该表帮助导航员识别这些误差并应用必要的修正，从而提高其导航系统的可靠性。如果没有磁罗盘表，水手将处于显著劣势，仅仅依靠他们的直觉和经验，这可能导致灾难性的后果。除了其实用应用外，磁罗盘表还具有教育目的。它教会有志于航海的人们磁导航的复杂性。了解如何阅读和利用磁罗盘表是任何希望进入航海世界的人的基本技能。培训课程通常包括如何解释表中呈现的数据的课程，使其成为导航教育的一个重要组成部分。此外，现代技术的出现并没有减少磁罗盘表的重要性。尽管GPS和电子导航系统已变得普遍，但许多经验丰富的水手仍然依赖传统的导航方法，包括使用磁罗盘及其附带的表。这种对经久不衰工具的依赖突显了磁罗盘表在导航中的持久相关性。总之，磁罗盘表是导航员不可或缺的资源，为准确的罗盘读数提供必需的数据。计算磁偏角和罗盘误差的作用不可低估。作为一种实用工具和教育资源，磁罗盘表确保水手能够自信和精确地导航广阔的海洋。无论是经验丰富的水手还是新手，理解和利用磁罗盘表对于成功导航和安全航行至关重要。