magnetic deviation

简明释义

磁差

英英释义

例句

1.The compass reading was affected by magnetic deviation (磁偏差) caused by nearby metal structures.

指南针读数受到附近金属结构引起的磁偏差 (磁偏差) 的影响。

2.To improve accuracy, pilots use a correction factor for magnetic deviation (磁偏差) when flying in urban areas.

为了提高准确性，飞行员在城市地区飞行时会使用磁偏差 (磁偏差) 的修正系数。

3.When navigating at sea, sailors must account for magnetic deviation (磁偏差) to ensure accurate course plotting.

在海上导航时，水手必须考虑到磁偏差 (磁偏差) 以确保航向的准确性。

4.Surveyors must measure magnetic deviation (磁偏差) to avoid errors in land mapping.

测量师必须测量磁偏差 (磁偏差) 以避免土地测绘中的错误。

5.Understanding magnetic deviation (磁偏差) is crucial for geologists studying the Earth's magnetic field.

理解磁偏差 (磁偏差) 对于研究地球磁场的地质学家至关重要。

作文

In the field of navigation, understanding various concepts is crucial for ensuring accurate positioning and direction. One such concept is magnetic deviation, which refers to the difference between magnetic north and true north as observed by a compass. This phenomenon occurs due to local magnetic fields that can distort the readings of a compass, leading to navigational errors. For instance, when a ship is navigating through coastal areas or near large metal structures, the magnetic deviation can significantly affect the course plotted by the navigator.To illustrate this further, let’s consider a practical example. Imagine a sailor who is trying to reach a specific destination using a compass. If the compass indicates a heading of 30 degrees, but due to magnetic deviation, the true heading is actually 25 degrees, the sailor could end up off course by several miles. This discrepancy highlights the importance of accounting for magnetic deviation when planning a journey.Moreover, magnetic deviation can vary depending on the geographical location and the surrounding environment. For instance, in urban areas with many metallic objects, the magnetic deviation can be more pronounced than in open waters. Therefore, navigators must be aware of these variations and adjust their headings accordingly. This is why many modern navigation systems incorporate advanced technology to correct for magnetic deviation, providing more accurate readings to users.In addition to its practical implications in navigation, magnetic deviation also has theoretical significance in the study of Earth’s magnetic field. Scientists use data on magnetic deviation to better understand the dynamics of the Earth’s magnetosphere and how it interacts with solar winds. Such studies can reveal important information about geomagnetic storms and their potential impact on satellite communications and power grids.Furthermore, understanding magnetic deviation is essential for various industries beyond maritime navigation. For instance, aviation relies heavily on precise navigation systems. Pilots must account for magnetic deviation when flying, especially during takeoff and landing phases. Inaccurate readings could lead to serious safety hazards, making it imperative for pilots to have a firm grasp of this concept.In conclusion, magnetic deviation plays a vital role in navigation and other scientific fields. It represents the discrepancy between magnetic and true north, influenced by local magnetic fields. As navigators and scientists continue to explore the complexities of this phenomenon, it becomes increasingly clear that understanding magnetic deviation is essential for accurate navigation and the advancement of our knowledge of Earth’s magnetic properties. By recognizing and correcting for magnetic deviation, we can enhance our ability to navigate the world safely and effectively.

在导航领域，理解各种概念对于确保准确的定位和方向至关重要。其中一个概念是磁偏差，它指的是指南针所观察到的磁北与真北之间的差异。这种现象是由于局部磁场导致的，它可以扭曲指南针的读数，从而导致导航错误。例如，当船只在沿海地区或靠近大型金属结构航行时，磁偏差可能会显著影响导航员绘制的航向。为了进一步说明这一点，让我们考虑一个实际的例子。想象一下，一个水手试图使用指南针到达特定目的地。如果指南针指示的航向为30度，但由于磁偏差，真实航向实际上为25度，那么水手可能会偏离航线几英里。这一差异突显了在规划旅程时考虑磁偏差的重要性。此外，磁偏差可能因地理位置和周围环境而异。例如，在有许多金属物体的城市地区，磁偏差可能比在开阔水域更明显。因此，导航员必须意识到这些变化，并相应地调整他们的航向。这就是为什么许多现代导航系统结合了先进技术来修正磁偏差，为用户提供更准确的读数。除了在导航中的实际意义，磁偏差在研究地球磁场方面也具有理论意义。科学家们利用关于磁偏差的数据来更好地理解地球磁层的动态及其与太阳风的相互作用。这些研究可以揭示关于地磁风暴的重要信息，以及它们对卫星通信和电网的潜在影响。此外，了解磁偏差对于航空等多个行业也是至关重要的。飞行严重依赖精确的导航系统。飞行员在起飞和着陆阶段必须考虑磁偏差。不准确的读数可能导致严重的安全隐患，因此飞行员必须牢牢掌握这一概念。总之，磁偏差在导航和其他科学领域中发挥着至关重要的作用。它代表了磁北与真北之间的差距，受局部磁场的影响。随着导航员和科学家们继续探索这一现象的复杂性，越来越清楚的是，理解磁偏差对于准确导航和推进我们对地球磁性特性的认识至关重要。通过识别和修正磁偏差，我们可以增强安全有效地导航世界的能力。