great circle sailing

简明释义

大圆航迹计算法

英英释义

例句

1.In aviation, great circle sailing allows pilots to plot the shortest path between two airports.

在航空领域，大圆航线允许飞行员绘制两座机场之间的最短路径。

2.The concept of great circle sailing is essential for navigators to understand Earth's curvature.

对于导航员来说，理解地球曲率的概念是大圆航线的关键。

3.Sailors utilize great circle sailing techniques to minimize travel distance across oceans.

水手利用大圆航线技术来最小化跨越海洋的旅行距离。

4.When planning an international flight, airlines often use great circle sailing to determine the most efficient route.

在规划国际航班时，航空公司通常使用大圆航线来确定最有效的航线。

5.Using great circle sailing, ships can save fuel and time on long voyages.

通过使用大圆航线，船只可以在长途航行中节省燃料和时间。

作文

Navigating the vast oceans has always been a challenge for sailors, especially when it comes to determining the most efficient route from one point to another. One of the most significant concepts in maritime navigation is the idea of the great circle sailing. This term refers to the practice of charting a course along the circumference of a great circle, which is the largest possible circle that can be drawn on the surface of a sphere. In simpler terms, it is the shortest distance between two points on the globe. Understanding great circle sailing is crucial for modern navigation, as it allows vessels to minimize travel time and fuel consumption.The Earth is not flat but rather a sphere; thus, traditional maps can sometimes mislead navigators. When sailors plot their courses on a flat map, they may inadvertently choose longer routes. However, by using great circle sailing, navigators can take advantage of the curvature of the Earth, effectively reducing the distance traveled. This technique has been utilized for centuries, dating back to ancient mariners who relied on the stars and the principles of geometry to guide their journeys.One of the most famous examples of great circle sailing is the route taken by commercial airlines. Airlines often use this method to optimize flight paths, ensuring that passengers reach their destinations in the shortest time possible. For instance, a flight from Los Angeles to Tokyo does not follow a straight line on a map; instead, it arcs over the Pacific Ocean, following the contour of the Earth. This not only saves time but also reduces fuel costs, making air travel more efficient.In addition to aviation, great circle sailing plays a vital role in maritime navigation. Ships traveling long distances, such as those crossing the Atlantic or Pacific Oceans, utilize this technique to plot their courses. By following a great circle route, ships can avoid unnecessary detours and arrive at their destinations more quickly. This is particularly important for cargo ships, where time is money, and delays can lead to significant financial losses.However, navigating using great circle sailing is not without its challenges. While it provides the shortest route, it may also lead to difficult weather conditions or rough seas. Sailors must consider factors such as ocean currents, wind patterns, and potential obstacles when planning their journeys. Additionally, the great circle route may not always be the safest path, as it can take vessels through areas prone to storms or piracy.In conclusion, great circle sailing is an essential concept in the world of navigation, offering a method for determining the most efficient routes across the globe. By understanding and applying this technique, sailors and aviators can save time and resources, ultimately leading to safer and more efficient travel. As technology continues to advance, the principles of great circle sailing remain relevant, proving that even in our modern age, the wisdom of ancient navigators still holds true.

在广阔的海洋中航行一直是水手们面临的挑战，尤其是在确定从一个点到另一个点的最有效路线时。海洋导航中一个重要的概念是大圆航行。这个术语指的是沿着大圆的周长绘制航线的做法，大圆是可以在球体表面上绘制的最大圆圈。简单来说，它是地球上两点之间的最短距离。理解大圆航行对于现代导航至关重要，因为它使船只能够最小化旅行时间和燃料消耗。地球不是平坦的，而是一个球体；因此，传统地图有时会误导导航员。当水手在平面地图上绘制航线时，他们可能会无意中选择更长的路线。然而，通过使用大圆航行，导航员可以利用地球的曲率，有效地减少行驶的距离。这种技术已经被使用了几个世纪，可以追溯到依赖星星和几何原理来指导航程的古代水手。大圆航行最著名的例子之一是商业航空公司所采取的航线。航空公司通常使用这种方法来优化航线，确保乘客以尽可能短的时间到达目的地。例如，从洛杉矶飞往东京的航班并没有在地图上沿着一条直线飞行；相反，它在太平洋上弯曲，遵循地球的轮廓。这不仅节省了时间，还降低了燃料成本，使航空旅行更加高效。除了航空，大圆航行在海洋导航中也发挥着重要作用。跨越大西洋或太平洋的远洋船只利用这一技术来绘制航线。通过遵循大圆路线，船只可以避免不必要的绕行，更快地到达目的地。这对货船尤为重要，因为时间就是金钱，延误可能导致巨大的经济损失。然而，使用大圆航行进行导航并非没有挑战。虽然它提供了最短的航线，但也可能导致恶劣的天气条件或波涛汹涌的海洋。水手在规划航程时必须考虑海洋洋流、风向和潜在障碍等因素。此外，大圆航线可能并不总是最安全的路径，因为它可能将船只带入易发生风暴或海盗袭击的区域。总之，大圆航行是导航世界中的一个基本概念，提供了一种确定全球最有效航线的方法。通过理解和应用这一技术，水手和飞行员可以节省时间和资源，最终实现更安全、更高效的旅行。随着技术的不断进步，大圆航行的原则仍然具有现实意义，证明即使在现代，古代水手的智慧仍然是真实的。