great circle route

简明释义

大圆航线

英英释义

例句

1.Using a great circle route can significantly reduce travel time on intercontinental flights.

使用大圆航线可以显著缩短洲际航班的旅行时间。

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

大圆航线是球体表面上两点之间的最短距离。

3.When planning a long-distance flight, airlines often choose the great circle route to minimize fuel consumption.

在规划长途航班时，航空公司通常选择大圆航线以减少燃油消耗。

4.Sailing across the ocean, the captain decided to follow the great circle route for a faster journey.

在跨越海洋的航行中，船长决定沿着大圆航线航行，以便更快到达目的地。

5.Pilots are trained to calculate the great circle route to ensure efficient navigation.

飞行员接受训练以计算大圆航线，以确保高效导航。

作文

The concept of the great circle route is essential for understanding navigation and geography. When we think about traveling from one point on the globe to another, we often envision a straight line on a flat map. However, due to the curvature of the Earth, the shortest path between two points is actually a segment of a circle that divides the Earth into two equal halves. This is known as the great circle route (大圆航线). It is particularly significant in aviation and maritime navigation, where efficiency and distance play crucial roles in planning routes.For instance, when an airplane flies from New York to Tokyo, it does not fly directly across the Pacific Ocean in a straight line as one might expect. Instead, it follows a great circle route, which might appear to be a curved path on a standard map. This route minimizes travel distance and fuel consumption, making it a preferred choice for airlines. Understanding this principle helps pilots and navigators optimize their journeys, saving both time and resources.In addition to its practical applications, the great circle route also has fascinating implications in geography. It illustrates how our perception of distance changes when we transition from a three-dimensional globe to a two-dimensional map. The Mercator projection, commonly used in maps, distorts the size and shape of landmasses, especially near the poles. Consequently, travelers may underestimate the actual distance they need to cover if they rely solely on such projections without considering the great circle route.Moreover, the great circle route is not just limited to air and sea travel. It can also be applied in various fields, including telecommunications and satellite positioning. For example, when satellites orbit the Earth, they often follow paths that can be analyzed using the principles of great circle routes. This ensures optimal coverage and communication efficiency across vast distances.Understanding the great circle route enhances our awareness of global connectivity. In a world that is becoming increasingly interconnected, recognizing how distances are measured and traveled is vital. It allows us to appreciate the complexities of international travel and trade. Furthermore, it emphasizes the importance of technology in bridging geographical gaps, enabling real-time communication and transportation.In conclusion, the great circle route is not merely a navigational term; it represents a fundamental principle of geography that influences how we travel and connect with one another. Whether you are planning a long-haul flight or studying global logistics, grasping the concept of great circle routes equips you with valuable insights into the dynamics of our world. As we continue to explore and expand our horizons, let us keep in mind the significance of these routes in shaping our understanding of distance and navigation in our daily lives.

“大圆航线”的概念对于理解导航和地理至关重要。当我们想到从地球上的一个点旅行到另一个点时，我们常常想象在平面地图上的一条直线。然而，由于地球的弯曲，从两点之间的最短路径实际上是一个将地球分成两个相等部分的圆的一段。这被称为大圆航线。它在航空和海洋导航中尤为重要，因为效率和距离在规划航线中起着关键作用。例如，当一架飞机从纽约飞往东京时，它并不会像人们想象的那样直接穿越太平洋。相反，它遵循一条大圆航线，这在标准地图上可能看起来是一条弯曲的路径。这条路线最小化了旅行距离和燃料消耗，使其成为航空公司的首选。理解这一原则帮助飞行员和导航员优化他们的旅程，节省时间和资源。除了实际应用外，大圆航线在地理学上也有着迷人的意义。它说明了当我们从三维地球仪过渡到二维地图时，我们对距离的感知是如何变化的。梅卡托投影（Mercator projection）在地图中常用，扭曲了陆地的大小和形状，尤其是在极地附近。因此，如果旅行者仅依赖这样的投影而不考虑大圆航线，他们可能会低估实际需要覆盖的距离。此外，大圆航线不仅限于航空和海事旅行。它还可以应用于各种领域，包括电信和卫星定位。例如，当卫星绕地球轨道飞行时，它们通常遵循可以使用大圆航线原理进行分析的路径。这确保了跨越广阔距离的最佳覆盖和通信效率。理解大圆航线增强了我们对全球连接的意识。在一个日益互联的世界中，认识到距离是如何测量和旅行的至关重要。它使我们能够欣赏国际旅行和贸易的复杂性。此外，它强调了技术在弥合地理差距方面的重要性，使实时通信和运输成为可能。总之，大圆航线不仅仅是一个导航术语；它代表了一个基本的地理原则，影响着我们如何旅行和彼此连接。无论你是在计划长途航班还是研究全球物流，掌握大圆航线的概念都能为你提供对我们世界动态的宝贵见解。随着我们继续探索和扩展视野，让我们铭记这些航线在塑造我们对距离和导航的理解中的重要性。