great circle route

简明释义

大圆弧航线

英英释义

例句

1.Airlines often advertise non-stop flights that follow a great circle route for efficiency.

航空公司通常宣传遵循大圆航线的直飞航班以提高效率。

2.The great circle route is the shortest path between two points on the surface of a sphere.

大圆航线是球面上两点之间的最短路径。

3.When planning a flight from New York to Tokyo, pilots often choose the great circle route to minimize fuel consumption.

在规划从纽约到东京的航班时，飞行员通常选择大圆航线以减少燃料消耗。

4.Using a map projection that shows the great circle route can help navigators plot their course more accurately.

使用显示大圆航线的地图投影可以帮助导航员更准确地绘制航线。

5.Sailing along the great circle route can significantly reduce travel time across the ocean.

沿着大圆航线航行可以显著缩短跨洋旅行的时间。

作文

The concept of a great circle route is fundamental in the field of navigation and aviation. A great circle route refers to the shortest path between two points on the surface of a sphere. This is particularly important for aircraft and ships, as it allows them to minimize travel distance and save fuel. When plotted on a flat map, the great circle route appears as a curved line, which can sometimes be misleading for those unfamiliar with the principles of spherical geometry.To understand the significance of a great circle route, we must first consider the Earth’s shape. The Earth is not a perfect sphere, but for navigational purposes, it is often treated as one. The shortest distance between two points on this sphere is not a straight line when viewed on a conventional flat map; rather, it is a segment of a great circle. For example, if you were to fly from Los Angeles to Tokyo, the most efficient flight path would not be a straight line on a map, but rather a curve that follows the curvature of the Earth. This is where the great circle route comes into play.Historically, sailors and explorers utilized the principles of great circles long before modern technology. They relied on celestial navigation, using stars and other celestial bodies to chart their courses. With the advent of the compass and later advancements in navigation, the understanding of great circle routes became even more refined. Today, pilots use sophisticated software that calculates the best great circle route to their destinations, taking into account various factors such as wind speed, weather conditions, and air traffic.One of the most famous examples of a great circle route is the path taken by commercial airlines. For instance, a flight from New York to London will not follow a straight line on a flat map. Instead, it will take a path that arcs over the North Atlantic Ocean, which is the great circle route that minimizes the distance traveled. This not only saves time but also reduces fuel consumption, making air travel more efficient and environmentally friendly.Another interesting aspect of great circle routes is their application in global shipping. Ships traveling between continents also use these routes to optimize their journeys. By following a great circle route, they can avoid unnecessary detours that would result from adhering to a straight line on a map. This practice is especially important in the shipping industry, where time and fuel costs are critical factors.In conclusion, the great circle route is an essential concept in navigation that enables travelers to find the most efficient paths across the globe. Whether by air or sea, understanding and utilizing great circle routes can lead to significant savings in time and resources. As our world continues to grow more interconnected, the importance of these routes will only increase, highlighting the need for continued education and innovation in navigation techniques. By appreciating the value of a great circle route, we can enhance our travel experiences and contribute to a more sustainable future.

大圆航线的概念在航海和航空领域中至关重要。大圆航线指的是球面上两个点之间的最短路径。这对于飞机和船只尤为重要，因为它使它们能够最小化旅行距离并节省燃料。当在平面地图上绘制时，大圆航线呈现为一条曲线，这对那些不熟悉球面几何原理的人来说可能会产生误导。要理解大圆航线的重要性，我们首先必须考虑地球的形状。地球并不是一个完美的球体，但在导航中，它通常被视为一个球体。在这个球体上，两个点之间的最短距离在传统平面地图上并不是一条直线，而是大圆的一部分。例如，如果你从洛杉矶飞往东京，最有效的飞行路径不会是在地图上的一条直线，而是沿着地球的曲率弯曲的路线。这就是大圆航线的作用所在。历史上，水手和探险者在现代技术出现之前就利用了大圆原理。他们依靠天文导航，使用星星和其他天体来绘制航线。随着指南针的出现和后来的导航技术进步，对大圆航线的理解变得更加精细。如今，飞行员使用复杂的软件计算到达目的地的最佳大圆航线，考虑各种因素，如风速、天气条件和空中交通。一个著名的大圆航线例子是商业航空公司所采取的航线。例如，从纽约到伦敦的航班不会遵循地图上的一条直线。相反，它将沿着北大西洋上方的弧线飞行，这是最小化旅行距离的大圆航线。这不仅节省了时间，还减少了燃料消耗，使航空旅行更加高效和环保。另一个有趣的方面是大圆航线在全球航运中的应用。跨洲旅行的船只也使用这些航线来优化它们的旅程。通过遵循大圆航线，它们可以避免由于遵循地图上的直线而导致的不必要的绕道。这种做法在航运行业尤其重要，因为时间和燃料成本是关键因素。总之，大圆航线是导航中的一个基本概念，使旅行者能够找到全球范围内最有效的路径。无论是空中还是海上，理解和利用大圆航线都可以在时间和资源上带来显著的节省。随着我们的世界日益互联，这些航线的重要性只会增加，突显出在导航技术上继续教育和创新的必要性。通过欣赏大圆航线的价值，我们可以提升旅行体验，并为更可持续的未来做出贡献。