magnetic compass

简明释义

磁罗经

英英释义

A magnetic compass is a navigational instrument that shows direction relative to the Earth's magnetic poles, typically using a magnetized needle that aligns itself with the Earth's magnetic field.

磁罗盘是一种导航仪器,显示相对于地球磁极的方向,通常使用一个磁化的指针与地球的磁场对齐。

例句

1.During the navigation class, we learned how to use a magnetic compass 磁罗盘 for orienteering.

在导航课上,我们学习了如何使用磁罗盘磁罗盘进行定向。

2.In survival situations, a magnetic compass 磁罗盘 can help you find your way back to safety.

在生存情况下,磁罗盘磁罗盘可以帮助你找到安全的回路。

3.Sailors often rely on a magnetic compass 磁罗盘 to chart their course across the ocean.

水手们常常依赖磁罗盘磁罗盘来规划他们在海洋上的航线。

4.When hiking in the wilderness, it's essential to carry a magnetic compass 磁罗盘 to navigate accurately.

在荒野徒步旅行时,携带一个磁罗盘磁罗盘是准确导航的必要条件。

5.A magnetic compass 磁罗盘 is a simple yet effective tool for finding direction.

一个磁罗盘磁罗盘是寻找方向的简单而有效的工具。

作文

The invention of the magnetic compass has been one of the most significant advancements in navigation throughout history. Before its introduction, sailors relied heavily on celestial navigation, which required clear skies and a deep understanding of the stars. However, the magnetic compass revolutionized maritime travel by providing a reliable method to determine direction regardless of weather conditions. This tool exploits the Earth's magnetic field, allowing navigators to find their way even when the sun or stars are obscured. The magnetic compass consists of a magnetized needle that aligns itself with the Earth's magnetic field. The needle is mounted on a pivot point, enabling it to rotate freely. Traditionally, compasses were made using lodestone, a naturally magnetized mineral, but modern versions often use electronic sensors. Regardless of the technology used, the principle remains the same: the compass points towards magnetic north, which is crucial for navigation. In addition to maritime applications, the magnetic compass has played a vital role in land navigation as well. Hikers, explorers, and military personnel have all relied on this simple yet effective tool to traverse unknown terrains. It provides a sense of security, knowing that you have a reliable means of finding your way back home. The magnetic compass is also a fundamental instrument in aviation, helping pilots navigate during flights. One of the fascinating aspects of the magnetic compass is its historical significance. It is believed that the Chinese were the first to use the compass for navigation around the 11th century. The technology gradually spread to the Middle East and Europe, where it significantly impacted exploration and trade. Navigators like Christopher Columbus and Vasco da Gama utilized the magnetic compass to venture into uncharted waters, leading to the discovery of new lands and trade routes. Despite its simplicity, the magnetic compass is not without its challenges. Magnetic variations, caused by local geological formations or man-made structures, can lead to inaccuracies. Therefore, navigators must be aware of their surroundings and take these factors into account when using a compass. Furthermore, the advent of GPS technology has introduced new methods of navigation, yet the magnetic compass remains a staple in various fields due to its reliability and independence from electronic systems. In conclusion, the magnetic compass is an invaluable tool that has stood the test of time. Its ability to provide direction in various environments has made it essential for explorers, sailors, and adventurers alike. While technology continues to evolve, the fundamental principles behind the magnetic compass remind us of the ingenuity of ancient navigators who sought to understand the world around them. As we move forward, it is important to appreciate the role that the magnetic compass has played in shaping our history and guiding us through uncharted territories.

指南针的发明是历史上导航最重要的进展之一。在其引入之前,水手们主要依靠天文导航,这需要晴朗的天空和对星星的深入了解。然而,指南针通过提供一种可靠的方法来确定方向,无论天气条件如何,彻底改变了海洋旅行。这种工具利用地球的磁场,使导航员即使在太阳或星星被遮蔽时也能找到方向。指南针由一个磁化的针组成,该针与地球的磁场对齐。针固定在一个支点上,使其能够自由旋转。传统上,指南针是用磁铁矿制成的,这是一种自然磁化的矿物,但现代版本通常使用电子传感器。无论使用何种技术,原理都是相同的:指南针指向磁北,这对导航至关重要。除了海洋应用外,指南针在陆地导航中也发挥了重要作用。徒步旅行者、探险者和军人都依赖这种简单而有效的工具穿越未知的地形。它提供了一种安全感,让人知道自己有可靠的方式找到回家的路。指南针也是航空中的基本仪器,帮助飞行员在飞行中导航。指南针的一个迷人之处在于其历史意义。据信,中国人是第一个在11世纪使用指南针进行导航的人。这项技术逐渐传播到中东和欧洲,对探索和贸易产生了重大影响。像哥伦布和达伽马这样的航海家利用指南针冒险进入未开发的水域,导致新土地和贸易路线的发现。尽管其简单性,指南针并非没有挑战。由局部地质构造或人造结构引起的磁偏差可能导致不准确。因此,导航员必须意识到周围环境,并在使用指南针时考虑这些因素。此外,GPS技术的出现引入了新的导航方法,但由于其可靠性和独立于电子系统的特性,指南针仍然是各个领域的主流。总之,指南针是一种经受住时间考验的宝贵工具。它在各种环境中提供方向的能力使其成为探险者、水手和冒险者必不可少的工具。尽管技术不断发展,但指南针背后的基本原理提醒我们古代导航员为理解周围世界而付出的智慧。随着我们向前迈进,重要的是要欣赏指南针在塑造我们历史和引导我们穿越未知领域中所发挥的作用。

相关单词

magnetic

magnetic详解:怎么读、什么意思、用法

compass

compass详解:怎么读、什么意思、用法