compass correction

简明释义

罗经改正量

英英释义

例句

1.In orienteering, participants must apply compass correction to navigate effectively through the terrain.

在定向越野中，参与者必须应用罗盘修正以有效地穿越地形。

2.The pilot calculated the compass correction to account for magnetic interference during the flight.

飞行员计算了罗盘修正以考虑飞行过程中磁干扰的影响。

3.The surveyor used compass correction to adjust the readings from his equipment for greater accuracy.

测量员使用罗盘修正来调整设备的读数以提高准确性。

4.Before setting sail, the captain performed a compass correction to ensure accurate navigation.

在启航之前，船长进行了罗盘修正以确保导航的准确性。

5.Understanding compass correction is crucial for sailors to avoid navigational errors.

理解罗盘修正对水手避免导航错误至关重要。

作文

Navigating the vast oceans has always been a challenge for sailors, and one of the most crucial tools they rely on is the compass. However, the compass is not infallible; it can be influenced by various factors, leading to inaccuracies in navigation. This is where the concept of compass correction comes into play. Compass correction refers to the adjustments made to the compass readings to account for errors caused by magnetic interference or other environmental factors. Understanding how to apply compass correction is essential for ensuring accurate navigation.To understand compass correction, we first need to recognize the sources of error that can affect a compass. One common source is magnetic declination, which is the angle between magnetic north and true north. This angle varies depending on where you are on the Earth's surface. For instance, if you are sailing in an area with a significant magnetic declination, failing to apply compass correction could lead you off course.Another factor that can impact compass accuracy is local magnetic anomalies. These anomalies can be caused by various objects, such as metal structures, electronic devices, or even geological formations, which can distort the magnetic field. When navigating near such anomalies, it is crucial to apply compass correction to ensure that your course remains true.In addition to these external factors, there are also internal errors related to the compass itself. For example, a compass may have inherent inaccuracies due to its construction or wear over time. Regular maintenance and calibration are necessary to minimize these errors, but even with proper care, some degree of compass correction may still be required.Sailors often use a variety of methods to determine the appropriate compass correction. One common technique involves consulting nautical charts, which provide information on local magnetic declination. By adjusting their compass readings according to this information, sailors can navigate more accurately. Another method is to perform a series of test runs while observing known landmarks or using celestial navigation techniques. This allows sailors to compare their compass readings with actual positions and make necessary corrections.The importance of compass correction cannot be overstated. Inaccurate navigation can lead to dangerous situations, including running aground, colliding with other vessels, or getting lost at sea. Therefore, every sailor must be familiar with the principles of compass correction and be diligent in applying them during their voyages.In conclusion, mastering the art of navigation requires more than just having a compass on board. It demands an understanding of how to correct for various errors that can arise during navigation. The process of compass correction is vital for achieving accurate readings and ensuring safe travel across the seas. By recognizing the sources of error and employing effective correction techniques, sailors can confidently chart their courses and explore the world's oceans with greater assurance.

在辽阔的海洋中航行一直是水手们面临的挑战，而他们所依赖的最重要的工具之一就是指南针。然而，指南针并不是万无一失的；它可能受到各种因素的影响，从而导致导航不准确。这就是compass correction（指南针修正）的概念发挥作用的地方。Compass correction指的是对指南针读数进行调整，以考虑由磁干扰或其他环境因素引起的误差。理解如何应用compass correction对于确保准确导航至关重要。要理解compass correction，我们首先需要认识到可能影响指南针的误差来源。一个常见的来源是磁偏角，即磁北与真北之间的角度。这个角度因你所在的地球表面位置而异。例如，如果你在一个有显著磁偏角的区域航行，而不进行compass correction，可能会导致你偏离航线。另一个可能影响指南针准确性的因素是局部磁异常。这些异常可能由各种物体引起，例如金属结构、电子设备，甚至是地质构造，这些都可能扭曲磁场。在靠近此类异常区域航行时，进行compass correction以确保航向正确至关重要。除了这些外部因素，还有与指南针本身相关的内部误差。例如，由于其构造或磨损，指南针可能具有固有的不准确性。定期维护和校准是减少这些误差的必要措施，但即使在适当的保养下，仍然可能需要某种程度的compass correction。水手通常使用多种方法来确定适当的compass correction。一种常见的技术是查阅航海图，这些图提供了当地磁偏角的信息。通过根据这些信息调整他们的指南针读数，水手可以更准确地导航。另一种方法是在观察已知地标或使用天文导航技术的同时进行一系列测试航行。这使得水手能够将他们的指南针读数与实际位置进行比较，并进行必要的修正。Compass correction的重要性不容小觑。不准确的导航可能导致危险情况，包括搁浅、与其他船只相撞或在海上迷路。因此，每位水手都必须熟悉compass correction的原则，并在航行过程中认真应用。总之，掌握导航的艺术不仅仅是在船上拥有一只指南针。它需要理解如何纠正在导航过程中可能出现的各种误差。Compass correction的过程对于实现准确的读数和确保安全的海上旅行至关重要。通过识别误差来源并采用有效的修正技术，水手可以自信地规划航线，更加安心地探索世界的海洋。