navigation tables

简明释义

航海表

英英释义

例句

1.The navigation tables were essential for our road trip across the country.

这次穿越全国的公路旅行中，导航表是必不可少的。

2.The captain referred to the navigation tables to determine the best route for the ship.

船长参考了导航表以确定船只的最佳航线。

3.In aviation, pilots use navigation tables to calculate their flight paths.

在航空领域，飞行员使用导航表来计算飞行路径。

4.Sailors often update their navigation tables based on the latest oceanographic data.

水手们通常根据最新的海洋学数据更新他们的导航表。

5.Using navigation tables can significantly reduce travel time in unfamiliar territories.

在不熟悉的地区使用导航表可以显著减少旅行时间。

作文

In the age of exploration and discovery, sailors relied heavily on various tools to navigate the vast and often unpredictable oceans. Among these tools, navigation tables (航海表) played a crucial role in ensuring safe passage from one destination to another. These tables, which provided essential information about the position of celestial bodies, tides, and currents, were indispensable for mariners seeking to chart their course accurately.The concept of navigation tables dates back centuries, with early versions being developed by ancient civilizations such as the Greeks and Arabs. These tables contained data that allowed navigators to determine their latitude and longitude based on the stars' positions. For instance, by knowing the angle of a particular star above the horizon, sailors could estimate their location in relation to the equator.As maritime technology advanced, so did the sophistication of navigation tables (航海表). By the time of the Renaissance, navigators had access to more precise tables that included detailed charts of ocean currents and wind patterns. This wealth of information enabled explorers like Christopher Columbus and Ferdinand Magellan to embark on their historic voyages with greater confidence.One of the key features of navigation tables is their ability to provide critical data for solar and lunar observations. Sailors used these observations to calculate their position at sea accurately. For example, by measuring the angle between the sun and the horizon at noon, they could determine their latitude. Similarly, by observing the moon's position, they could find their longitude. This method of celestial navigation was not only effective but also essential for long-distance sea travel.In addition to celestial navigation, navigation tables also included information about tides and currents, which are vital for safe navigation. Understanding how these natural phenomena affect a vessel's movement can mean the difference between a successful journey and disaster. For instance, navigating through a narrow channel during high tide can be treacherous if a sailor is unaware of the current's strength and direction.Today, while modern technology has largely replaced traditional navigation tables (航海表), the principles behind them remain relevant. GPS systems and digital mapping software have made navigation easier and more accessible than ever before. However, many mariners still study the art of celestial navigation as a backup method, recognizing that technology can fail and that understanding traditional techniques is invaluable.Moreover, the historical significance of navigation tables cannot be overstated. They represent the ingenuity and resourcefulness of past generations who ventured into the unknown with limited tools. The skills and knowledge required to use these tables are a testament to human perseverance and the desire to explore uncharted territories.In conclusion, navigation tables (航海表) have been a fundamental aspect of maritime navigation throughout history. Their evolution reflects the advancements in our understanding of the natural world and our ability to harness that knowledge for exploration. As we continue to navigate the seas, both physically and metaphorically, it is essential to remember the legacy of those who came before us and the vital role that navigation tables played in shaping our understanding of the world.

在探索和发现的时代，水手们在广阔而不可预测的海洋中高度依赖各种工具来导航。在这些工具中，航海表（navigation tables）发挥了至关重要的作用，确保从一个目的地安全航行到另一个目的地。这些表格提供了关于天体位置、潮汐和海流的重要信息，对于寻求准确绘制航线的水手来说是不可或缺的。航海表的概念可以追溯到几个世纪前，早期版本由古希腊和阿拉伯等古代文明开发。这些表格包含的数据使导航员能够根据星星的位置确定他们的纬度和经度。例如，通过知道某颗特定星星在地平线上方的角度，水手可以估算他们与赤道的相对位置。随着海洋技术的进步，航海表（navigation tables）的复杂性也随之增加。到文艺复兴时期，导航员可以使用更精确的表格，这些表格包括详细的海流和风向图。这些丰富的信息使得像克里斯托弗·哥伦布和费迪南德·麦哲伦这样的探险家能够以更大的信心开始他们的历史航行。航海表的一个关键特征是它们能够提供太阳和月亮观测的关键数据。水手利用这些观测结果来准确计算他们在海上的位置。例如，通过测量正午时分太阳与地平线之间的角度，他们可以确定自己的纬度。同样，通过观察月亮的位置，他们可以找到自己的经度。这种天文导航的方法不仅有效，而且对长途海上旅行至关重要。除了天文导航，航海表还包括潮汐和海流的信息，这对于安全导航至关重要。了解这些自然现象如何影响船只的运动，可能意味着成功航行与灾难之间的区别。例如，在高潮时穿越狭窄水道的航行，如果水手不知道水流的强度和方向，可能会非常危险。如今，尽管现代技术在很大程度上取代了传统的航海表（navigation tables），但它们背后的原则仍然相关。GPS系统和数字地图软件使导航变得比以往任何时候都更加简单和便捷。然而，许多水手仍然学习天文导航的艺术作为备份方法，认识到技术可能会失败，而理解传统技术是无价的。此外，航海表的历史意义不容小觑。它们代表了过去几代人的聪明才智和资源fulness，他们在有限的工具下勇敢地走向未知。使用这些表格所需的技能和知识是人类毅力和探索未被标记领土的渴望的证明。总之，航海表（navigation tables）在历史上一直是海洋导航的基本组成部分。它们的演变反映了我们对自然世界理解的进步以及我们利用这些知识进行探索的能力。当我们继续在海洋中导航，无论是身体上还是隐喻上，都必须记住那些先辈的遗产，以及航海表在塑造我们对世界的理解中所发挥的重要作用。