angle of declination

简明释义

偏角

英英释义

例句

1.In geology, understanding the angle of declination 偏角 is crucial for interpreting magnetic field data.

在地质学中，理解偏角对解释磁场数据至关重要。

2.The pilot adjusted the aircraft's heading to account for the angle of declination 偏角 when navigating through the airspace.

飞行员在穿越空域时，调整了飞机的航向，以考虑偏角。

3.When using a compass, it is important to adjust for the angle of declination 偏角 based on your location.

使用指南针时，根据您的位置调整偏角是很重要的。

4.The angle of declination 偏角 can vary significantly depending on geographical location.

根据地理位置，偏角可能会有显著变化。

5.Surveyors must measure the angle of declination 偏角 to ensure accurate land mapping.

测量师必须测量偏角以确保土地测绘的准确性。

作文

The concept of the angle of declination is crucial in various fields, including navigation, geology, and astronomy. It refers to the angle between magnetic north and true north, which is essential for accurate navigation. Understanding this angle can significantly enhance a navigator's ability to reach their destination without getting lost. In navigation, particularly at sea, sailors rely heavily on compasses to guide them. However, compasses point towards magnetic north, not true north. This discrepancy is where the angle of declination becomes vital. By knowing the angle of declination, navigators can adjust their course accordingly, ensuring they are heading in the right direction.In addition to navigation, the angle of declination plays an important role in geology. Geologists often need to determine the orientation of rock layers or faults to understand the history of the Earth’s crust. The angle of declination helps them interpret the forces that have shaped the landscape over millions of years. For instance, when studying sedimentary rock layers, geologists can use the angle of declination to infer the direction of ancient water flows or tectonic movements.Astronomers also utilize the angle of declination when mapping the night sky. In celestial navigation, the angle of declination corresponds to the latitude of an object in the sky. This angle helps astronomers locate stars, planets, and other celestial bodies relative to the Earth. By understanding the angle of declination, they can predict the movement of these objects and track their positions over time.The significance of the angle of declination extends beyond practical applications; it also highlights the intricate relationship between the Earth’s magnetic field and its geographical coordinates. The Earth is not a perfect sphere, and its magnetic field is influenced by various factors, including solar activity and geological formations. As a result, the angle of declination can vary depending on your location. For example, in some regions, the angle of declination may be small, while in others, it can be quite large, necessitating adjustments in navigation practices.Moreover, the angle of declination is not static; it changes over time due to the movement of the Earth's magnetic poles. This phenomenon is known as magnetic declination variation and can affect long-term navigation plans. Sailors and aviators must stay informed about these changes to ensure their instruments remain accurate. Various organizations, such as the National Oceanic and Atmospheric Administration (NOAA) in the United States, provide updated maps and data on the angle of declination to assist navigators.In conclusion, the angle of declination is a fundamental concept that intersects multiple disciplines. Whether in navigation, geology, or astronomy, understanding this angle enhances our ability to interpret the world around us. As technology advances, the importance of accurately measuring and understanding the angle of declination will continue to grow, ensuring that we can navigate our planet and the cosmos with precision. Therefore, grasping the implications of the angle of declination is essential for anyone interested in these fields, as it opens up a deeper understanding of how we relate to our environment and the universe at large.

“偏角”这一概念在航海、地质学和天文学等多个领域中至关重要。它指的是磁北与真北之间的角度，这对于准确的导航非常重要。理解这个角度可以显著提高导航员到达目的地而不迷路的能力。在航海中，尤其是在海上，水手们非常依赖罗盘来引导他们。然而，罗盘指向的是磁北，而不是天北。这种差异就是“偏角”变得至关重要的地方。通过了解“偏角”，导航员可以相应地调整航向，确保他们朝着正确的方向前进。除了导航外，“偏角”在地质学中也发挥着重要作用。地质学家通常需要确定岩层或断层的方向，以了解地球地壳的历史。“偏角”帮助他们解释塑造地貌的力量。例如，在研究沉积岩层时，地质学家可以使用“偏角”推断古代水流或构造运动的方向。天文学家在绘制夜空时也利用“偏角”。在天体导航中，“偏角”对应于天空中物体的纬度。这个角度帮助天文学家定位星星、行星和其他天体相对于地球的位置。通过理解“偏角”，他们可以预测这些物体的运动，并跟踪它们随时间的变化。“偏角”的重要性不仅限于实际应用；它还突显了地球磁场与地理坐标之间错综复杂的关系。地球并不是一个完美的球体，其磁场受到多种因素的影响，包括太阳活动和地质构造。因此，“偏角”可能会因位置不同而有所变化。例如，在某些地区，“偏角”可能很小，而在其他地区，它可能相当大，从而需要在导航实践中进行调整。此外，“偏角”并不是静态的；由于地球磁极的移动，它会随着时间的推移而变化。这种现象被称为磁偏角变化，可能会影响长期的导航计划。水手和飞行员必须随时了解这些变化，以确保他们的仪器保持准确。美国国家海洋和大气管理局（NOAA）等各组织提供有关“偏角”的最新地图和数据，以协助导航员。总之，“偏角”是一个基本概念，交叉于多个学科。无论是在导航、地质学还是天文学中，理解这个角度都增强了我们对周围世界的解读能力。随着技术的进步，准确测量和理解“偏角”的重要性将继续增长，确保我们能够精确地导航我们的星球和宇宙。因此，掌握“偏角”的含义对于任何对这些领域感兴趣的人来说都是必不可少的，因为它开启了对我们如何与环境和更广阔宇宙相关的更深刻理解。