magnetic heading

简明释义

磁船首向

英英释义

例句

1.When sailing, it's crucial to know your magnetic heading (磁航向) to avoid obstacles.

在航海时，了解你的磁航向（磁航向）以避免障碍物是至关重要的。

2.Before embarking on a hike, check your magnetic heading (磁航向) to stay on course.

在开始徒步旅行之前，检查你的磁航向（磁航向）以保持在正确的路线。

3.The captain instructed the crew to maintain a steady magnetic heading (磁航向) during the storm.

船长指示船员在暴风雨中保持稳定的磁航向（磁航向）。

4.The pilot adjusted the aircraft's navigation system to match the magnetic heading (磁航向) for a smoother flight.

飞行员调整了飞机的导航系统，以匹配磁航向（磁航向），以实现更平稳的飞行。

5.The compass showed a magnetic heading (磁航向) of 45 degrees, indicating northeast.

指南针显示的磁航向（磁航向）为45度，指示东北方向。

作文

Navigating through the vastness of the ocean or flying across the sky can be a daunting task without the proper tools and knowledge. One of the essential concepts in navigation is understanding the term magnetic heading, which refers to the direction in which a compass points relative to magnetic north. This concept is crucial for sailors, pilots, and anyone who relies on navigation systems to reach their destinations safely. Understanding magnetic heading not only enhances safety but also improves efficiency in travel. To comprehend magnetic heading, it is important to distinguish it from true heading. True heading refers to the direction towards true north, which is based on the Earth's geographic poles. In contrast, magnetic heading is influenced by the Earth's magnetic field, which can vary significantly depending on the geographical location. This difference is known as magnetic declination, and it can lead to discrepancies between the two headings. Navigators must account for this declination to ensure accurate navigation. For instance, if a pilot wants to fly directly east, they need to know the magnetic heading that corresponds to true east. Depending on their location, the compass may indicate a different angle due to magnetic declination. If the declination is five degrees east, the pilot would have to adjust their heading to the west by five degrees to maintain the correct course. This adjustment is vital for avoiding potential hazards and ensuring that they reach their destination as planned. In maritime navigation, magnetic heading is equally important. Sailors use compasses to determine their magnetic heading and navigate through waters safely. They must also consider factors such as currents, wind, and tides, which can affect their actual path. By understanding how to read and interpret magnetic heading, sailors can make necessary adjustments to their course, ensuring a safer and more efficient journey. Modern technology has further enhanced navigation through the use of GPS systems. However, even with advanced technology, understanding magnetic heading remains crucial. GPS devices often provide information about both true heading and magnetic heading, allowing users to cross-reference and confirm their routes. Moreover, in areas where GPS signals may be weak or unreliable, such as dense forests or urban environments, traditional navigation methods relying on magnetic heading become invaluable. In conclusion, the concept of magnetic heading is fundamental for effective navigation, whether on land, sea, or air. By understanding the relationship between magnetic heading and true heading, navigators can make informed decisions and adjustments to their courses. As technology continues to evolve, the importance of grasping traditional navigation principles, including magnetic heading, will remain vital for ensuring safe and successful journeys. The ability to interpret and apply these concepts will empower individuals to navigate confidently in various environments, reinforcing the timeless importance of navigation skills in our increasingly complex world.

在广阔的海洋中航行或在天空中飞行，如果没有适当的工具和知识，可能会是一项艰巨的任务。导航中的一个基本概念是理解术语磁航向，它指的是相对于磁北的指南针指向的方向。这个概念对于水手、飞行员以及任何依赖导航系统安全到达目的地的人来说至关重要。理解磁航向不仅可以提高安全性，还可以提高旅行的效率。要理解磁航向，首先要区分它与真实航向的区别。真实航向是指朝向真北的方向，这基于地球的地理极点。相比之下，磁航向受地球磁场的影响，可能会因地理位置而有显著变化。这种差异称为磁偏角，它可能导致两个航向之间的差异。导航员必须考虑这种偏角，以确保准确的导航。例如，如果一名飞行员想要直接向东飞行，他们需要知道与真实东对应的磁航向。根据他们的位置，由于磁偏角，指南针可能会指示不同的角度。如果偏角是五度东，飞行员需要将航向向西调整五度，以保持正确的航线。这种调整对于避免潜在的危险并确保他们按计划到达目的地至关重要。在海洋导航中，磁航向同样重要。水手使用指南针来确定他们的磁航向并安全地航行通过水域。他们还必须考虑潮流、风和潮汐等因素，这些因素会影响他们的实际路径。通过理解如何读取和解释磁航向，水手可以对航线进行必要的调整，从而确保旅程更安全、更高效。现代技术通过使用GPS系统进一步增强了导航。然而，即使在先进的技术面前，理解磁航向仍然至关重要。GPS设备通常提供有关真实航向和磁航向的信息，使用户能够交叉参考和确认他们的航线。此外，在GPS信号可能较弱或不可靠的地区，例如密林或城市环境，依赖于磁航向的传统导航方法变得无价。总之，磁航向的概念对于有效导航至关重要，无论是在陆地、海洋还是空中。通过理解磁航向与真实航向之间的关系，导航员可以做出明智的决策和调整航线。随着技术的不断发展，掌握包括磁航向在内的传统导航原则的重要性将继续存在，以确保安全和成功的旅程。能够解释和应用这些概念将使个人能够自信地在各种环境中导航，加强在我们日益复杂的世界中导航技能的永恒重要性。