great-circle bearing

简明释义

大圆方位

英英释义

例句

1.To navigate effectively, pilots must calculate the great-circle bearing (大圆航向) from their departure point to the destination.

为了有效导航，飞行员必须计算从出发点到目的地的大圆航向。

2.When planning an international flight, airlines use great-circle bearing (大圆航向) for fuel efficiency.

在规划国际航班时，航空公司使用大圆航向以提高燃油效率。

3.Using a GPS device, you can easily find the great-circle bearing (大圆航向) to your next waypoint.

使用GPS设备，你可以轻松找到下一个航点的大圆航向。

4.The great-circle bearing (大圆航向) is essential for determining the quickest route between two points on a globe.

计算两点之间最快路线时，大圆航向是必不可少的。

5.Sailors often rely on the great-circle bearing (大圆航向) to chart the shortest course across oceans.

水手们经常依赖大圆航向来绘制穿越海洋的最短航线。

作文

Navigating the vast expanses of our planet has always been a challenge for explorers, sailors, and aviators alike. One of the most crucial concepts in navigation is the idea of the great-circle bearing, which refers to the shortest path between two points on the surface of a sphere. Understanding this concept can significantly enhance one’s ability to traverse long distances efficiently. In this essay, I will explore the significance of great-circle bearing in navigation, its applications in modern technology, and how it relates to our understanding of geography.The great-circle bearing is derived from the geometry of a sphere. When we think about navigation, we often imagine straight lines drawn on a flat map. However, the Earth is not flat; it is a spherical object. Therefore, the shortest distance between two points is not a straight line on a flat map but rather an arc that follows the curvature of the Earth. This arc is known as a great circle, and the angle at which one must travel along this arc is termed the great-circle bearing. One of the primary applications of great-circle bearing is in aviation. Airlines utilize this principle to plot flight paths that minimize fuel consumption and travel time. For instance, when flying from New York to Tokyo, a direct flight does not follow a straight line on a map. Instead, the flight path curves northward, following a great-circle route. This not only saves time but also reduces the amount of fuel burned, making air travel more efficient and environmentally friendly.In addition to aviation, the concept of great-circle bearing is also vital in maritime navigation. Ships traveling across oceans rely on this principle to determine their routes. By calculating the great-circle bearing, navigators can chart courses that take advantage of prevailing winds and currents, ensuring a smoother and faster journey. This knowledge has been essential for centuries, allowing sailors to explore and trade across vast distances.Furthermore, the advent of modern technology has revolutionized how we understand and apply great-circle bearing. Global Positioning Systems (GPS) and advanced mapping software use complex algorithms to calculate the best routes based on great-circle bearing. These tools have made navigation more accessible and accurate than ever before. Whether one is driving a car, hiking in the wilderness, or sailing across the sea, the principles of great-circle bearing are at work behind the scenes, guiding individuals to their destinations.Moreover, understanding great-circle bearing enhances our appreciation of the Earth’s geography. It illustrates how interconnected our world is and how distances can be perceived differently when viewed through the lens of a spherical model. This perspective encourages us to think critically about global issues such as climate change, resource distribution, and international relations, as it highlights the importance of cooperation and communication across borders.In conclusion, the concept of great-circle bearing is fundamental to navigation, whether in the air, at sea, or on land. Its applications in modern technology have transformed how we travel and explore our world. By grasping the significance of great-circle bearing, we not only improve our navigation skills but also deepen our understanding of the Earth’s geography and the intricate connections that bind us all. As we continue to navigate through life, let us remember the importance of this concept and its role in shaping our journeys, both physically and metaphorically.

在我们星球的广阔空间中导航，一直以来都是探险家、航海家和飞行员面临的挑战之一。导航中最重要的概念之一是大圆航向，它指的是在球体表面上两点之间的最短路径。理解这一概念可以显著提高人们高效穿越长距离的能力。在这篇文章中，我将探讨大圆航向在导航中的重要性、其在现代技术中的应用，以及它与我们对地理的理解之间的关系。大圆航向源自于球体的几何学。当我们思考导航时，我们常常想象在平面地图上画出的直线。然而，地球并不是平坦的；它是一个球形物体。因此，两点之间的最短距离不是平面地图上的一条直线，而是沿着地球曲率的弧线。这个弧线被称为大圆，而沿着这个弧线旅行时必须走的角度被称为大圆航向。大圆航向的主要应用之一是在航空领域。航空公司利用这一原理来绘制航线，以最小化燃料消耗和旅行时间。例如，从纽约飞往东京的航班，并不沿着地图上的直线飞行。而是航线向北弯曲，遵循大圆路线。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。除了航空，大圆航向的概念在海洋导航中也至关重要。航行跨越海洋的船只依靠这一原理来确定航线。通过计算大圆航向，导航员可以绘制出利用盛行风和洋流的航线，确保旅程更加顺利和快速。这种知识在几个世纪以来都是必不可少的，使水手能够跨越广阔的距离进行探索和贸易。此外，现代技术的出现彻底改变了我们理解和应用大圆航向的方式。全球定位系统（GPS）和先进的地图软件使用复杂的算法来计算基于大圆航向的最佳路线。这些工具使得导航比以往任何时候都更加容易和准确。无论是在开车、在荒野徒步旅行，还是在海上航行，大圆航向的原理在背后默默工作，引导人们到达目的地。此外，理解大圆航向增强了我们对地球地理的欣赏。它展示了我们的世界是多么相互联系，以及当从球形模型的角度看待距离时，距离的感知可能会有所不同。这种视角促使我们批判性地思考全球问题，如气候变化、资源分配和国际关系，因为它强调了跨越国界合作和沟通的重要性。总之，大圆航向的概念是导航的基础，无论是在空中、海上还是陆地。它在现代技术中的应用改变了我们旅行和探索世界的方式。通过掌握大圆航向的重要性，我们不仅提高了导航技能，还加深了对地球地理和连接我们所有人的复杂关系的理解。当我们继续在人生中航行时，让我们记住这一概念的重要性及其在塑造我们旅程中的作用，无论是身体上还是隐喻上。