lubber line error

简明释义

船首基线误差

英英释义

例句

1.Understanding lubber line error is crucial for accurate navigation.

理解指向误差对准确导航至关重要。

2.Before setting sail, we checked for any lubber line error on the navigation instruments.

在出航之前，我们检查了导航仪器上的任何指向误差。

3.The sailor explained how to minimize lubber line error while steering.

水手解释了如何在操舵时最小化指向误差。

4.The captain adjusted the compass to correct for the lubber line error.

船长调整了罗盘以修正指向误差。

5.Failure to account for lubber line error can lead to navigational mistakes.

未能考虑指向误差可能导致导航错误。

作文

Navigating the vast oceans has always been a challenge for sailors, and understanding the intricacies of navigation is crucial for safe voyages. One of the concepts that often comes up in nautical navigation is the lubber line error. This term refers to a common mistake made when reading a compass or a navigational instrument. The lubber line error occurs when the direction indicated by the compass does not align with the actual heading of the vessel due to various factors such as magnetic variation, compass deviation, or even the physical design of the compass itself.To better understand the lubber line error, one must first grasp what a lubber line is. The lubber line is a fixed reference line on a compass or a ship's navigation instrument that indicates the vessel’s heading. When a navigator looks at the compass, they align the lubber line with the desired course. However, if there is any discrepancy between the lubber line and the true heading, it can lead to navigational errors.There are several reasons why the lubber line error may occur. One significant factor is magnetic variation, which is the angle difference between magnetic north and true north. Depending on where a vessel is located, this variation can lead to significant errors if not accounted for. Additionally, compass deviation, which arises from local magnetic fields created by the ship's own metal structure and electronic equipment, can also contribute to the lubber line error.Another aspect to consider is the design of the compass itself. Some compasses may have their lubber lines misaligned during manufacturing or due to wear and tear over time. This misalignment can cause persistent errors in navigation, making it essential for sailors to regularly check and calibrate their instruments.Understanding the implications of the lubber line error is vital for any sailor. A small error in navigation can lead to being off course by miles, potentially putting the vessel and its crew in danger. For instance, a sailor who fails to account for the lubber line error might find themselves navigating into hazardous waters or missing critical landmarks.To mitigate the risks associated with the lubber line error, sailors should employ a few best practices. Regularly checking the compass against known landmarks and using multiple navigation methods, such as GPS, can help ensure accuracy. Additionally, sailors should familiarize themselves with the magnetic variation of the areas they are navigating through and make necessary adjustments to their courses.In conclusion, the lubber line error is an important concept in navigation that can significantly affect a sailor's journey. By understanding what it is and how it can occur, sailors can take proactive steps to minimize its impact. As technology continues to evolve, the reliance on traditional navigational tools like compasses remains, making it crucial for every sailor to be aware of potential errors and how to correct them. Mastering the art of navigation involves not just knowledge of the instruments but also an understanding of the underlying principles that govern their use, ensuring safer and more efficient voyages across the seas.

在广阔的海洋中航行一直是水手们面临的挑战，理解导航的复杂性对于安全航行至关重要。在海洋导航中，一个常常提到的概念是lubber line error。这个术语指的是在读取指南针或导航仪器时常见的错误。lubber line error发生在指南针指示的方向与船只的实际航向不一致时，这种情况可能由多种因素引起，如磁偏差、指南针偏差，甚至是指南针本身的物理设计。要更好地理解lubber line error，首先必须了解什么是lubber line。lubber line是指南针或船舶导航仪器上的一个固定参考线，指示着船只的航向。当导航员查看指南针时，他们会将lubber line与所需航向对齐。然而，如果lubber line与真实航向之间存在任何差异，就可能导致导航错误。造成lubber line error的原因有很多。一个重要因素是磁偏差，即磁北与真北之间的角度差异。根据船只所在的位置，这种偏差如果未加以考虑，可能会导致显著的错误。此外，指南针偏差也会导致lubber line error，这种偏差是由于船只自身金属结构和电子设备产生的局部磁场所致。另一个需要考虑的方面是指南针本身的设计。有些指南针可能在制造过程中或因使用磨损而使其lubber line失去校准。这种失调可能会导致持续的导航错误，因此水手定期检查和校准仪器是至关重要的。理解lubber line error的影响对于任何水手来说都是至关重要的。导航中的小错误可能会导致航向偏离数英里，从而可能将船只和船员置于危险之中。例如，如果水手未能考虑lubber line error，他们可能会发现自己航行进入危险水域或错过关键地标。为了减少与lubber line error相关的风险，水手应采取一些最佳实践。定期检查指南针与已知地标的对比，并使用多种导航方法（如GPS）可以帮助确保准确性。此外，水手应熟悉他们所航行区域的磁偏差，并对航向进行必要的调整。总之，lubber line error是导航中一个重要的概念，可能对水手的旅程产生重大影响。通过了解它是什么以及如何发生，水手可以采取主动措施来最小化其影响。随着技术的不断发展，对传统导航工具如指南针的依赖仍然存在，因此每位水手都必须意识到潜在的错误及其修正方法。掌握导航艺术不仅涉及对仪器的知识，还包括对支配其使用的基本原则的理解，从而确保在海洋上更安全、更高效的航行。