angular distance

简明释义

角距

英英释义

例句

1.The angular distance 角距离 on the map can be represented in degrees.

地图上的角距离可以用度数表示。

2.In navigation, the angular distance 角距离 between two points helps determine the shortest path.

在导航中，两点之间的角距离有助于确定最短路径。

3.The angular distance 角距离 between the two stars can be measured using a telescope.

使用望远镜可以测量两颗星星之间的角距离。

4.To find the angular distance 角距离 between two cities, you can use a protractor.

要找到两个城市之间的角距离，可以使用量角器。

5.Astronomers often calculate the angular distance 角距离 between celestial objects to understand their positions.

天文学家常常计算天体之间的角距离以了解它们的位置。

作文

In the realm of astronomy and navigation, the concept of angular distance plays a crucial role in determining the position of celestial bodies and navigating our way across the Earth. But what exactly does angular distance mean? Simply put, it refers to the angle that separates two points as viewed from a specific reference point, usually the center of a sphere. This measurement is typically expressed in degrees or radians, and it is essential for various applications, including mapping the stars, calculating distances on Earth, and even in the field of computer graphics.To illustrate the importance of angular distance, let’s consider an example involving the stars. Imagine you are observing the night sky and you see two stars, Star A and Star B. If you were to measure the angle formed between your line of sight to Star A and your line of sight to Star B, that angle would represent the angular distance between the two stars. This measurement allows astronomers to determine how far apart these stars are from each other in the vastness of space, despite the fact that they may be millions of light-years away.Moreover, angular distance is not limited to just celestial observations; it is also vital for navigation on Earth. When sailors or aviators chart their courses, they often rely on the angular distance between their current location and their destination. By using tools such as a sextant, they can measure the angle between the horizon and a celestial object, allowing them to calculate their position accurately. This practice has been used for centuries, proving that understanding angular distance is fundamental for successful navigation.In addition to its practical applications, angular distance also finds relevance in mathematics and geometry. For instance, when studying circles, the angular distance can help determine arc lengths and sector areas. The relationship between the radius of a circle and the angle subtended at the center is crucial for solving various geometric problems. Therefore, mastering the concept of angular distance can significantly enhance one’s mathematical skills.Furthermore, in the digital age, the concept of angular distance has found its way into computer graphics and virtual reality. In these fields, understanding how objects relate to one another in three-dimensional space is essential. By calculating the angular distance between different objects, developers can create realistic simulations and immersive environments that respond accurately to user interactions. This application showcases the versatility of the term and its relevance across various disciplines.In conclusion, angular distance is a multifaceted concept that extends beyond mere measurements. It connects the fields of astronomy, navigation, mathematics, and technology, demonstrating its significance in our understanding of the world. Whether we are gazing at the stars, plotting a course across the seas, solving geometric puzzles, or designing virtual worlds, the concept of angular distance remains a vital tool in our quest for knowledge and exploration. As we continue to advance in various fields, a firm grasp of angular distance will undoubtedly prove beneficial for both scientific inquiry and practical applications.

在天文学和导航领域，角距离的概念在确定天体的位置和在地球上导航方面发挥着至关重要的作用。但角距离究竟是什么意思呢？简单来说，它是指从特定参考点（通常是一个球体的中心）观察时，分隔两个点之间的角度。这种测量通常以度或弧度表示，并且在各种应用中都是必不可少的，包括绘制星图、计算地球上的距离，甚至在计算机图形学领域。为了说明角距离的重要性，让我们考虑一个涉及星星的例子。想象一下你正在观察夜空，你看到两颗星星，星星A和星星B。如果你测量从你到星星A的视线与到星星B的视线之间形成的角度，那么这个角度就代表了这两颗星星之间的角距离。这种测量使天文学家能够确定这些星星在浩瀚宇宙中的相对距离，尽管它们可能相距数百万光年。此外，角距离不仅限于天体观察；它在地球上的导航中也至关重要。当水手或飞行员规划航线时，他们通常依赖于他们当前位置与目的地之间的角距离。通过使用如六分仪等工具，他们可以测量地平线与天体之间的角度，从而准确计算出自己的位置。这种做法已被使用了几个世纪，证明了理解角距离对于成功导航是基本的。除了其实际应用外，角距离在数学和几何中也有相关性。例如，在研究圆时，角距离可以帮助确定弧长和扇形面积。圆的半径与中心所夹角度之间的关系对于解决各种几何问题至关重要。因此，掌握角距离的概念可以显著提高一个人的数学技能。此外，在数字时代，角距离的概念已经进入计算机图形学和虚拟现实领域。在这些领域，理解物体在三维空间中的相互关系至关重要。通过计算不同物体之间的角距离，开发人员可以创建真实的模拟和响应用户交互的沉浸式环境。这一应用展示了这一术语的多样性及其在各个学科中的相关性。总之，角距离是一个多面向的概念，超越了单纯的测量。它连接了天文学、导航、数学和技术等领域，展示了其在我们理解世界中的重要性。无论我们是在仰望星空、在海上绘制航线、解决几何难题，还是设计虚拟世界，角距离的概念始终是我们探索和获取知识的重要工具。随着我们在各个领域的不断进步，牢牢掌握角距离的概念无疑将对科学探究和实际应用大有裨益。