great circle section

简明释义

大圆航线分段大圆航行分段

英英释义

例句

1.The flight path followed a great circle section, minimizing travel distance.

航班路径遵循了一个大圆弧段，从而最小化了旅行距离。

2.The map displayed a great circle section connecting two distant cities.

地图上显示了连接两个遥远城市的大圆弧段。

3.In geography class, we learned how to calculate the distance of a great circle section on a globe.

在地理课上，我们学习了如何计算地球仪上大圆弧段的距离。

4.When sailing, it's crucial to understand the concept of a great circle section for efficient routing.

在航海时，理解大圆弧段的概念对于高效航线规划至关重要。

5.Navigators often use a great circle section to plot the shortest route across the ocean.

导航员经常使用大圆弧段来规划穿越海洋的最短路线。

作文

The concept of a great circle section is fundamental in the study of geography and navigation. A great circle section refers to the intersection of a sphere with a plane that passes through the center of the sphere, thus creating the largest possible circle on the surface of that sphere. This is particularly important when discussing the Earth, as it provides the shortest distance between two points on its surface. Understanding this concept is crucial for various fields, including aviation, maritime navigation, and even satellite communications.In aviation, pilots often rely on the principles of great circle sections to plan their flight paths. When flying long distances, such as from New York to Tokyo, a direct route following a great circle section is much more efficient than following a straight line on a flat map. This is due to the curvature of the Earth; the shortest path, or geodesic, is represented by a great circle section. By plotting their courses along these arcs, pilots can save time and fuel, which is crucial for both economic and environmental reasons.Maritime navigation also benefits from understanding great circle sections. Ships traveling across oceans utilize similar principles to determine the most efficient routes. For example, when a ship sails from Los Angeles to Sydney, the captain will chart a course that follows a great circle section, ensuring that the journey is as short as possible. This not only expedites travel but also reduces the amount of fuel consumed, leading to lower operational costs and reduced emissions.Moreover, satellite communications depend on the concept of great circle sections as well. Satellites orbiting the Earth follow paths that can be analyzed using great circle sections. Communication signals often travel along these paths to reach their destinations efficiently. Understanding how to visualize and calculate great circle sections allows engineers and technicians to optimize satellite placements and enhance communication systems.In addition to practical applications, the study of great circle sections can also enrich our understanding of global geography. For instance, when mapping the world, recognizing the significance of great circle sections helps geographers and cartographers create more accurate representations of distances and relationships between different locations. It highlights the importance of spherical geometry in a world that is often depicted in two dimensions.In conclusion, the notion of a great circle section is not just an abstract mathematical concept; it has real-world implications that affect various industries and our daily lives. From aviation to maritime navigation and satellite communications, understanding great circle sections enables us to navigate our planet more effectively. As we continue to explore and connect across the globe, the principles behind great circle sections will remain a vital part of our understanding of geography and navigation. Embracing this knowledge will help us navigate the complexities of our world with greater efficiency and awareness.

“大圆截面”的概念在地理和导航研究中是基础性的。大圆截面指的是一个球体与通过球心的平面的交集，从而在球体表面上形成最大的可能圆。这在讨论地球时尤为重要，因为它提供了地球表面两点之间的最短距离。理解这个概念对航空、海洋导航甚至卫星通信等多个领域至关重要。在航空领域，飞行员经常依赖大圆截面的原理来规划他们的飞行路线。在长途飞行时，例如从纽约到东京，沿着大圆截面的直接航线比在平面地图上沿直线飞行要高效得多。这是由于地球的曲率；最短路径或测地线由大圆截面表示。通过沿着这些弧线绘制航线，飞行员可以节省时间和燃料，这对经济和环境都是至关重要的。海洋导航同样受益于理解大圆截面。穿越海洋的船只利用类似的原理来确定最有效的航线。例如，当一艘船从洛杉矶航行到悉尼时，船长将绘制一条遵循大圆截面的航线，以确保旅程尽可能短。这不仅加快了旅行速度，还减少了消耗的燃料，从而降低了运营成本和排放。此外，卫星通信也依赖于大圆截面的概念。绕地球轨道运行的卫星遵循可以用大圆截面分析的路径。通信信号通常沿着这些路径高效地到达目的地。理解如何可视化和计算大圆截面使工程师和技术人员能够优化卫星布局并增强通信系统。除了实际应用，研究大圆截面还可以丰富我们对全球地理的理解。例如，在绘制世界地图时，认识到大圆截面的重要性有助于地理学家和制图师创建更准确的距离和不同位置之间关系的表示。这突显了在二维世界中球面几何的重要性。总之，大圆截面的概念不仅仅是一个抽象的数学概念；它具有影响各个行业和我们日常生活的现实意义。从航空到海洋导航，再到卫星通信，理解大圆截面使我们能够更有效地导航我们的星球。随着我们继续探索和连接全球，大圆截面背后的原理将始终是我们理解地理和导航的重要组成部分。拥抱这一知识将帮助我们以更高的效率和意识应对世界的复杂性。