angle off declination

简明释义

倾角

英英释义

例句

1.To improve the accuracy of the navigation system, we need to calibrate for the angle off declination.

为了提高导航系统的准确性，我们需要对偏差角进行校准。

2.The surveyor adjusted the measurements by the angle off declination to align with true north.

测量员通过偏差角调整测量值，以与真北对齐。

3.When navigating with a compass, you need to account for the angle off declination to ensure accurate direction.

在使用指南针导航时，您需要考虑偏差角以确保方向的准确性。

4.In aviation, pilots must calculate the angle off declination to maintain their flight path.

在航空中，飞行员必须计算偏差角以保持飞行路径。

5.The geologist noted the angle off declination when mapping the magnetic fields in the area.

地质学家在绘制该地区的磁场时注意到偏差角。

作文

Understanding the concept of navigation is crucial for anyone who ventures into the great outdoors, whether for hiking, sailing, or simply exploring new territories. One of the fundamental aspects of navigation involves understanding how to read a compass and interpret its readings. A key term that often arises in this context is angle off declination, which refers to the angular difference between true north and magnetic north. This concept is essential for accurate navigation, as it helps individuals adjust their bearings to account for the Earth's magnetic field.The Earth’s magnetic field is not perfectly aligned with the geographic poles; instead, it varies from place to place. This variation is known as magnetic declination, and it can change based on your location on the planet. For instance, if you are in an area where the magnetic declination is 10 degrees east, this means that when your compass points to magnetic north, true north is actually 10 degrees to the west. Therefore, to navigate accurately, one must consider the angle off declination to ensure that they are heading in the right direction.When embarking on a journey, it is vital to know the local magnetic declination. Many maps include this information, often displayed in the margin. By understanding the angle off declination, a navigator can make necessary adjustments to their compass readings. For example, if a hiker wants to travel due north but finds that their compass reads slightly off due to magnetic declination, they must compensate by adjusting their course. This adjustment ensures they stay on track, avoiding potential hazards or getting lost.In practical terms, calculating the angle off declination can be straightforward. Suppose you have a compass reading that indicates a bearing of 30 degrees. If you know the declination in your area is 5 degrees east, you would subtract this from your compass reading to find your true bearing. Thus, your true bearing would be 25 degrees. Conversely, if the declination were 5 degrees west, you would add this to your compass reading, resulting in a true bearing of 35 degrees. This simple calculation highlights the importance of understanding the angle off declination for effective navigation.Furthermore, the angle off declination is not static; it changes over time due to shifts in the Earth's magnetic field. Therefore, it is essential for navigators to stay updated on any changes in declination. Many modern compasses come equipped with adjustable declination settings, allowing users to calibrate their devices according to the latest data. This feature enhances accuracy and ensures that navigators can rely on their instruments when traversing unfamiliar terrain.In conclusion, mastering the concept of angle off declination is vital for anyone engaged in outdoor activities that require navigation. By understanding the relationship between true north and magnetic north, individuals can make informed decisions about their routes and improve their chances of reaching their destinations safely. Whether hiking through dense forests or sailing across vast oceans, accounting for the angle off declination empowers adventurers to navigate with confidence and precision. Ignoring this crucial element can lead to disorientation and potential danger, making it imperative to incorporate this knowledge into any navigation plan. Ultimately, the more one understands about magnetic declination and the necessary adjustments, the better equipped they will be for their journeys ahead.

理解导航的概念对于任何进入大自然的人来说都是至关重要的，无论是徒步旅行、航海还是简单地探索新领土。导航的基本方面之一涉及如何读取指南针并解释其读数。在这个背景下，一个常常出现的关键术语是偏角，它指的是真北与磁北之间的角度差异。这个概念对于准确导航至关重要，因为它帮助个人调整他们的方位，以考虑地球的磁场。地球的磁场并不与地理极点完全对齐；相反，它因地点而异。这种变化称为磁偏角，并且它会根据您在地球上的位置而变化。例如，如果您处于磁偏角为10度东的区域，这意味着当您的指南针指向磁北时，真北实际上是在西方10度。因此，为了准确导航，必须考虑偏角，以确保他们朝着正确的方向前进。在开始旅程时，了解当地的磁偏角是至关重要的。许多地图上包含此信息，通常在边缘显示。通过理解偏角，导航员可以对他们的指南针读数进行必要的调整。例如，如果一名徒步旅行者想要朝正北方向旅行，但发现由于磁偏角，他们的指南针读数稍有偏差，他们必须通过调整他们的航向来补偿。这种调整确保他们保持在正确的轨道上，避免潜在的危险或迷路。在实际操作中，计算偏角可能是直接的。假设您有一个指南针读数为30度。如果您知道您所在区域的偏角为5度东，您将从指南针读数中减去这个值以找到真实的方位。因此，您的真实方位将为25度。相反，如果偏角为5度西，您将把这个值加到您的指南针读数中，结果将是35度的真实方位。这个简单的计算突显了理解偏角在有效导航中的重要性。此外，偏角并不是静态的；由于地球磁场的变化，它会随时间而改变。因此，导航员必须及时了解偏角的任何变化。许多现代指南针配备了可调偏角设置，允许用户根据最新数据校准他们的设备。这一特性增强了准确性，并确保导航员在穿越陌生地形时能够依赖他们的仪器。总之，掌握偏角的概念对于任何参与需要导航的户外活动的人来说都是至关重要的。通过理解真北与磁北之间的关系，个人可以就他们的路线做出明智的决策，提高他们安全到达目的地的机会。无论是在茂密的森林中徒步旅行还是在广阔的海洋中航行，考虑到偏角使冒险者能够自信和精准地导航。忽视这一关键元素可能导致迷失方向和潜在危险，因此将这一知识纳入任何导航计划中是必要的。最终，越多了解磁偏角及其必要调整的人，将越能为他们未来的旅程做好准备。