great circle

简明释义

大圆

英英释义

例句

1.Using a great circle 大圆航线 calculator can help determine the best flight path.

使用大圆航线 great circle 计算器可以帮助确定最佳飞行路径。

2.When planning a flight route, pilots often calculate the shortest distance using the great circle 大圆航线 method.

在规划飞行路线时，飞行员通常使用大圆航线 great circle 方法计算最短距离。

3.The great circle 大圆 route between New York and London is not a straight line on a flat map.

纽约和伦敦之间的大圆 great circle 路线在平面地图上并不是一条直线。

4.In geography class, we learned that the shortest path between two points on the globe is a great circle 大圆.

在地理课上，我们了解到地球上两点之间的最短路径是大圆 great circle。

5.Sailing across the Pacific Ocean, the captain chose to follow the great circle 大圆航线 for efficiency.

航行穿越太平洋时，船长选择沿着大圆航线 great circle 行驶以提高效率。

作文

The concept of a great circle is fundamental in the field of navigation and geography. A great circle is defined as the largest possible circle that can be drawn on the surface of a sphere, which divides the sphere into two equal halves. This concept is not only theoretical but has practical applications in various fields, especially in aviation and maritime navigation.When flying from one point to another on the globe, pilots aim to follow the path of a great circle to minimize distance and fuel consumption. For example, when traveling from New York to Tokyo, the most efficient route is not a straight line on a flat map, but rather a curved path that follows a great circle. This is because the Earth is a sphere, and the shortest distance between two points on a sphere is along the arc of a great circle.In addition to its significance in navigation, the great circle also plays a crucial role in understanding global positioning systems (GPS). GPS technology relies on satellites orbiting the Earth, and these satellites use great circles to calculate the shortest and most efficient paths for signals. Without the concept of great circles, GPS would be less accurate and efficient, affecting everything from personal navigation to logistics and supply chain management.Moreover, the great circle has implications beyond navigation. In geography, it helps in understanding the Earth's surface and the relationships between different locations. For instance, when studying climate patterns, researchers may analyze how different regions are connected through great circles, which can influence weather systems and ecological interactions.Furthermore, the great circle concept is also significant in the field of education. Geography teachers often use great circles to explain the curvature of the Earth and how it affects travel and communication. By illustrating the concept with maps and globes, students gain a better understanding of how distances and directions work on our planet.In conclusion, the great circle is more than just a mathematical concept; it is a vital tool in navigation, geography, and education. Its applications in aviation and GPS technology demonstrate its importance in our daily lives. As we continue to explore and understand our world, the great circle will remain an essential element in our quest for knowledge and efficiency. Understanding this concept allows us to appreciate the complexity and beauty of our planet, as well as the innovative ways we navigate it. The next time you look at a map or plan a journey, remember the significance of the great circle and how it shapes our understanding of distance and direction across the globe.

“大圆”这一概念在导航和地理领域中是基础性的。“大圆”被定义为可以在球体表面上绘制的最大的圆，它将球体分成两个相等的半球。这个概念不仅是理论上的，而且在多个领域中都有实际应用，尤其是在航空和海洋导航方面。当飞机从一个点飞往地球上的另一个点时，飞行员会选择沿着“大圆”的路径飞行，以最小化距离和燃料消耗。例如，从纽约到东京的航程，最有效的路线不是平面地图上的直线，而是遵循“大圆”的弯曲路径。这是因为地球是一个球体，球体上两点之间的最短距离是沿着“大圆”的弧线。除了在导航中的重要性外，“大圆”在理解全球定位系统（GPS）方面也起着至关重要的作用。GPS技术依赖于绕地球轨道运行的卫星，这些卫星使用“大圆”来计算信号的最短和最有效的路径。如果没有“大圆”的概念，GPS的准确性和效率将降低，影响个人导航、物流和供应链管理等各个方面。此外，“大圆”在教育领域也有重要意义。地理老师经常利用“大圆”来解释地球的曲率以及它如何影响旅行和沟通。通过用地图和地球仪来说明这一概念，学生能够更好地理解我们星球上的距离和方向是如何运作的。总之，“大圆”不仅仅是一个数学概念；它是导航、地理和教育中的重要工具。它在航空和GPS技术中的应用展示了它在我们日常生活中的重要性。当我们继续探索和理解我们的世界时，“大圆”将仍然是我们追求知识和效率的基本元素。理解这个概念使我们能够欣赏我们星球的复杂性和美丽，以及我们导航它的创新方式。下次当你查看地图或计划旅行时，请记住“大圆”的重要性，以及它如何塑造我们对全球距离和方向的理解。