navigational instruments

简明释义

航海仪器

英英释义

例句

1.Modern ships are equipped with advanced navigational instruments that enhance safety and efficiency.

现代船只配备了先进的导航仪器，以提高安全性和效率。

2.The pilot used navigational instruments to guide the aircraft through the stormy weather.

飞行员使用导航仪器来引导飞机穿越暴风雨天气。

3.Sailors rely on various navigational instruments to ensure they stay on course during their voyages.

水手依赖各种导航仪器来确保他们在航行中保持在正确的航线上。

4.The captain checked the navigational instruments before making any course adjustments.

船长在进行任何航向调整之前检查了导航仪器。

5.In addition to maps, navigational instruments like compasses and GPS devices are essential for hikers.

除了地图，像指南针和GPS设备这样的导航仪器对徒步旅行者来说是必不可少的。

作文

Navigating the vast oceans and uncharted territories has always been a challenge for humanity. From ancient mariners to modern-day explorers, the need for accurate positioning and direction has driven the development of various tools and technologies. Among these essential tools are navigational instruments（导航仪器） that have played a crucial role in ensuring safe and efficient travel across the globe. This essay will explore the importance of navigational instruments（导航仪器） in maritime navigation and their evolution over time.In the early days of exploration, sailors relied on simple techniques such as celestial navigation, which involved observing the stars, sun, and moon to determine their position at sea. The astrolabe and sextant were among the first navigational instruments（导航仪器） used to measure angles between celestial bodies and the horizon. These tools allowed sailors to calculate their latitude and make informed decisions about their course. However, the accuracy of these instruments depended heavily on the skill of the navigator and the weather conditions.As technology advanced, so did the sophistication of navigational instruments（导航仪器）. The invention of the magnetic compass in the 11th century marked a significant turning point in navigation. For the first time, sailors could determine their direction relative to magnetic north, regardless of weather or visibility conditions. This innovation greatly improved maritime safety and opened up new trade routes, allowing for the expansion of global commerce.The 18th century brought further advancements with the introduction of the chronometer, a highly accurate timekeeping device that enabled navigators to calculate their longitude. By knowing the precise time at a reference point, sailors could compare it to local time and determine their east-west position. The combination of the chronometer with existing navigational instruments（导航仪器） like the sextant revolutionized maritime navigation, making long voyages more reliable and less perilous.In the 20th century, the advent of electronic technology transformed the landscape of navigation. Global Positioning System (GPS) technology emerged as one of the most significant advancements in navigational instruments（导航仪器）. GPS uses a network of satellites to provide real-time positioning information anywhere on Earth. This technology has made navigation incredibly precise, allowing both commercial and recreational vessels to navigate safely and efficiently.Today, modern navigational instruments（导航仪器） include sophisticated software and hardware that integrate GPS data with electronic charts and radar systems. These systems provide navigators with comprehensive situational awareness, allowing them to avoid hazards and optimize their routes. Moreover, advancements in artificial intelligence and machine learning are beginning to play a role in navigation, predicting potential obstacles and recommending optimal paths.Despite the remarkable progress in navigational instruments（导航仪器）, the fundamental principles of navigation remain the same. Understanding how to read and interpret these tools is essential for anyone venturing out to sea. Mariners are still trained in traditional navigation techniques, ensuring that they can navigate safely even in the event of technology failure.In conclusion, navigational instruments（导航仪器） have evolved significantly from the rudimentary tools of ancient navigators to the advanced technologies we rely on today. They are vital for ensuring safe passage across the world’s oceans and continue to be an area of innovation and development. As we look to the future, it is clear that while technology will continue to advance, the core principles of navigation will always hold true, reminding us of our enduring quest to explore and understand the world around us.

航行广阔的海洋和未知的领土一直是人类面临的挑战。从古代海员到现代探险家，准确定位和方向的需求推动了各种工具和技术的发展。在这些必不可少的工具中，有导航仪器（导航仪器），它们在确保全球安全和高效旅行方面发挥了至关重要的作用。本文将探讨导航仪器（导航仪器）在海洋导航中的重要性及其演变。在探索的早期阶段，水手依赖简单的技巧，如天体导航，这涉及观察星星、太阳和月亮以确定他们在海上的位置。天文仪和六分仪是最早用于测量天体与地平线之间的角度的导航仪器（导航仪器）之一。这些工具使水手能够计算他们的纬度，并对他们的航向做出明智的决定。然而，这些仪器的准确性在很大程度上依赖于导航员的技能和天气条件。随着技术的进步，导航仪器（导航仪器）的复杂性也随之增加。11世纪，磁罗盘的发明标志着导航的一个重要转折点。第一次，水手可以相对于磁北确定他们的方向，无论天气或能见度如何。这一创新极大地提高了海洋安全性，并开辟了新的贸易路线，使全球商业得以扩展。18世纪，随着高精度计时设备——航海时钟的引入，导航技术进一步发展。通过知道参考点的确切时间，水手可以将其与当地时间进行比较，从而确定他们的东西位置。航海时钟与现有的导航仪器（导航仪器）如六分仪的结合彻底改变了海洋导航，使长途航行更加可靠且不那么危险。进入20世纪，电子技术的出现改变了导航的格局。全球定位系统（GPS）技术成为导航仪器（导航仪器）最重要的进展之一。GPS利用卫星网络提供地球上任何地方的实时定位信息。这项技术使导航变得极为精确，使商业和休闲船只能够安全高效地航行。如今，现代的导航仪器（导航仪器）包括复杂的软件和硬件，将GPS数据与电子图表和雷达系统集成。这些系统为导航员提供全面的态势感知，使他们能够避免危险并优化航线。此外，人工智能和机器学习的进步也开始在导航中发挥作用，预测潜在障碍并推荐最佳路径。尽管导航仪器（导航仪器）取得了显著进展，但导航的基本原理依然不变。理解如何读取和解释这些工具对任何出海的人来说都是至关重要的。水手仍然接受传统导航技术的培训，确保他们即使在技术故障的情况下也能安全导航。总之，导航仪器（导航仪器）从古代导航员的简单工具演变为我们今天依赖的先进技术，经历了显著的变化。它们对于确保在世界海洋中的安全通行至关重要，并继续成为创新和发展的领域。展望未来，很明显，尽管技术将继续进步，但导航的核心原则将始终保持真实，提醒我们不断探索和理解周围世界的持久追求。