azimuth dial

简明释义

方位分度盘

英英释义

例句

1.We calibrated the azimuth dial before starting our survey in the field.

在开始野外调查之前，我们对方位盘进行了校准。

2.During the hike, we checked the azimuth dial to navigate through the forest.

在徒步旅行中，我们检查了方位盘以在森林中导航。

3.An azimuth dial is essential for any astronomer when locating celestial bodies.

对于任何天文学家来说，方位盘在定位天体时是必不可少的。

4.The pilot adjusted the aircraft's course using the azimuth dial on the dashboard.

飞行员使用仪表盘上的方位盘调整飞机的航向。

5.The sailor used the azimuth dial to determine the direction of the lighthouse.

水手使用方位盘来确定灯塔的方向。

作文

In the realm of navigation and astronomy, tools that assist in determining direction and position are invaluable. One such tool is the azimuth dial, which plays a crucial role in various applications ranging from maritime navigation to astronomical observations. The term 'azimuth dial' refers to a device used to measure the angle between an object and a reference direction, typically true north. This measurement, known as azimuth, is expressed in degrees and is essential for accurately determining the position of celestial bodies or navigating through unfamiliar terrains.Understanding how an azimuth dial functions requires some knowledge of basic geometry and trigonometry. The dial itself is usually marked with degree measurements from 0° to 360°, allowing users to pinpoint the exact direction of an object relative to their position. For instance, if a navigator observes a lighthouse at an angle of 45° from true north, they can use the azimuth dial to confirm this angle and ensure they are heading in the right direction.Historically, the azimuth dial has been an essential instrument for sailors. Before the advent of modern GPS technology, mariners relied heavily on the stars for navigation. By using an azimuth dial, they could determine the position of stars and planets in the night sky, which provided critical information about their location at sea. This method of navigation, known as celestial navigation, is still taught to aspiring sailors today, highlighting the importance of the azimuth dial in maritime history.In addition to its use in navigation, the azimuth dial also finds applications in astronomy. Astronomers utilize this tool to track the movement of celestial objects across the sky. By measuring the azimuth of a star or planet, astronomers can create detailed charts that depict the positions of these objects at different times of the year. This information is vital for both amateur and professional astronomers who wish to observe celestial events such as eclipses or planetary alignments.Moreover, the azimuth dial can be found in various forms, including handheld devices and more complex instruments like theodolites. Handheld azimuth dials are portable and user-friendly, making them ideal for hikers and outdoor enthusiasts who need to navigate through dense forests or mountainous terrains. On the other hand, theodolites are sophisticated instruments used in surveying and construction, where precise measurements are crucial.In conclusion, the azimuth dial is a fundamental tool in both navigation and astronomy, providing users with the means to measure angles and determine directions accurately. Its historical significance in maritime navigation and its continued relevance in modern astronomy demonstrate the enduring value of this simple yet powerful instrument. As technology advances, the principles behind the azimuth dial remain essential for understanding our world and the universe beyond. Whether you are a sailor, an astronomer, or simply an outdoor enthusiast, mastering the use of the azimuth dial can greatly enhance your ability to navigate and explore the environment around you.

在导航和天文学领域，帮助确定方向和位置的工具是无价的。其中一个这样的工具是方位角盘，它在从海洋导航到天文观测等各种应用中发挥着至关重要的作用。术语“方位角盘”指的是一种用于测量物体与参考方向（通常是真北）之间角度的设备。这一测量称为方位角，以度数表示，对于准确确定天体的位置或在不熟悉的地形中导航至关重要。理解方位角盘的工作原理需要一些基本几何和三角学的知识。该盘通常标有从0°到360°的度数，使用户能够准确定位物体相对于其位置的确切方向。例如，如果导航员观察到灯塔与真北的夹角为45°，他们可以使用方位角盘来确认这个角度，从而确保他们朝着正确的方向前进。历史上，方位角盘是水手们的重要工具。在现代GPS技术出现之前，航海者非常依赖星星进行导航。通过使用方位角盘，他们可以确定星星和行星在夜空中的位置，这为他们在海上的位置提供了关键信息。这种导航方法被称为天文导航，至今仍然教授给有志于航海的人们，突显了方位角盘在海洋历史中的重要性。除了在导航中的应用之外，方位角盘还在天文学中找到了应用。天文学家利用这个工具追踪天体在天空中的运动。通过测量星星或行星的方位角，天文学家可以创建详细的图表，描绘这些物体在一年中的不同时间的位置。这些信息对于希望观察日食或行星排列等天文事件的业余和专业天文学家至关重要。此外，方位角盘有多种形式，包括手持设备和更复杂的仪器，如测量仪。手持方位角盘便于携带且易于使用，非常适合需要在密林或山区地形中导航的徒步旅行者和户外爱好者。另一方面，测量仪是用于测量和建筑中需要精确测量的复杂仪器。总之，方位角盘是导航和天文学中的基本工具，为用户提供了准确测量角度和确定方向的手段。它在海洋导航中的历史重要性以及在现代天文学中的持续相关性证明了这一简单但强大的工具的持久价值。随着技术的进步，方位角盘背后的原理仍然是理解我们世界和宇宙的关键。无论你是水手、天文学家还是仅仅是户外爱好者，掌握方位角盘的使用都能极大地增强你导航和探索周围环境的能力。