polar star tables = polar star altitude tables

简明释义

北极星高度表

英英释义

例句

1.The polar star tables = polar star altitude tables provided crucial information for the hikers lost in the wilderness.

对于在荒野中迷路的徒步旅行者来说，北极星表 = 北极星高度表提供了至关重要的信息。

2.Using polar star tables = polar star altitude tables, navigators can determine their latitude based on the position of the North Star.

使用北极星表 = 北极星高度表，导航员可以根据北极星的位置确定他们的纬度。

3.During the expedition, the team frequently consulted their polar star tables = polar star altitude tables to ensure they were on course.

在探险过程中，团队经常查阅他们的北极星表 = 北极星高度表以确保他们的航向正确。

4.In astronomy classes, students learn how to use polar star tables = polar star altitude tables for celestial navigation.

在天文学课上，学生们学习如何使用北极星表 = 北极星高度表进行天体导航。

5.Sailors often rely on polar star tables = polar star altitude tables to navigate accurately at sea.

水手们常常依靠北极星表 = 北极星高度表在海上准确导航。

作文

The concept of navigation has evolved significantly over the centuries, yet some fundamental principles remain unchanged. One of the most crucial elements in traditional navigation is the use of celestial bodies to determine one’s position on Earth. Among these celestial bodies, the North Star, or Polaris, has been a guiding light for navigators for centuries. To facilitate this process, mariners and explorers have relied on various tools and methods, one of which is the use of tables specifically designed for this purpose. These tables are known as polar star tables = polar star altitude tables, providing essential information about the altitude of Polaris at different times and locations.Understanding how to read and utilize polar star tables = polar star altitude tables is vital for anyone interested in celestial navigation. These tables essentially correlate the position of Polaris with the observer's latitude, allowing navigators to ascertain their geographical location. The altitude of Polaris above the horizon corresponds directly to the observer's latitude; for instance, if you are standing at the North Pole, Polaris will be directly overhead at an altitude of 90 degrees. Conversely, if you are at the equator, Polaris will not be visible at all, as it lies below the horizon.To effectively use polar star tables = polar star altitude tables, one must first determine their approximate latitude. This can be done using a sextant, a navigational instrument that measures the angle between a celestial body and the horizon. Once the altitude of Polaris is measured, the navigator can consult the tables to find the corresponding latitude. This method has been used by sailors for centuries, proving its reliability even in the absence of modern technology.In addition to navigation, polar star tables = polar star altitude tables also serve educational purposes. They provide students and enthusiasts with insights into the relationship between celestial mechanics and geographic coordinates. By studying these tables, learners can grasp the significance of the North Star in the context of astronomy and navigation, enhancing their understanding of the night sky.Moreover, the importance of polar star tables = polar star altitude tables extends beyond mere navigation. They symbolize humanity’s enduring quest for exploration and understanding of our world. Historically, explorers like Christopher Columbus and Captain James Cook relied on such tables to chart unknown territories, paving the way for future generations to navigate the seas with confidence.In conclusion, the significance of polar star tables = polar star altitude tables goes far beyond their practical applications in navigation. They represent a bridge between ancient practices and modern understanding of geography and astronomy. As we continue to advance technologically, it is essential to remember the foundational tools that have guided countless explorers throughout history. Mastering the use of these tables not only enhances one’s navigational skills but also fosters a deeper appreciation for the stars that have guided humanity for millennia. Understanding the principles behind polar star tables = polar star altitude tables is a testament to the ingenuity and resourcefulness of those who came before us, illuminating the path for future adventurers.

导航的概念在几个世纪中经历了显著的发展，但一些基本原则依然未变。传统导航中最关键的元素之一就是利用天体来确定在地球上的位置。在这些天体中，北极星（Polaris）几世纪以来一直是航海者的指引之光。为了便于这一过程，海员和探险家们依赖于各种工具和方法，其中之一就是专门为此目的设计的表格。这些表格被称为polar star tables = polar star altitude tables，提供了关于不同时间和地点北极星高度的基本信息。理解如何读取和利用polar star tables = polar star altitude tables对于任何对天文导航感兴趣的人来说都是至关重要的。这些表格本质上将北极星的位置与观察者的纬度相关联，使导航者能够确定他们的地理位置。北极星在地平线上的高度与观察者的纬度直接对应；例如，如果你站在北极，北极星将直立在头顶，海拔高度为90度。相反，如果你在赤道，北极星将根本不可见，因为它位于地平线以下。要有效使用polar star tables = polar star altitude tables，首先必须确定自己的大致纬度。这可以通过使用六分仪来完成，这是一种测量天体与地平线之间角度的导航仪器。一旦测得北极星的高度，导航者就可以查阅表格，找到对应的纬度。这种方法几个世纪以来一直被水手们使用，证明了其在没有现代技术的情况下的可靠性。除了导航，polar star tables = polar star altitude tables还具有教育意义。它们为学生和爱好者提供了天体力学与地理坐标之间关系的见解。通过研究这些表格，学习者可以理解北极星在天文学和导航背景下的重要性，增强对夜空的理解。此外，polar star tables = polar star altitude tables的重要性不仅限于导航。它们象征着人类对探索和理解我们世界的持久追求。从历史上看，像克里斯托弗·哥伦布和詹姆斯·库克船长这样的探险家依靠这些表格来绘制未知的领土，为未来几代人自信地航行海洋铺平了道路。总之，polar star tables = polar star altitude tables的意义远远超出了它们在导航中的实际应用。它们代表了古老实践与现代地理和天文学理解之间的桥梁。随着我们在技术上的不断进步，记住那些曾经引导无数探险者的基础工具是至关重要的。掌握使用这些表格不仅增强了个人的导航技能，也培养了对千年来一直引导人类的星星的更深刻的欣赏。理解polar star tables = polar star altitude tables背后的原理，是对那些在我们之前的人的聪明才智和资源fulness的证明，为未来的冒险者照亮了道路。