great circle navigation

简明释义

大圆航行

英英释义

例句

1.In aviation training, students learn about great circle navigation as part of their curriculum.

在航空培训中，学生们将学习大圆航线导航作为课程的一部分。

2.The concept of great circle navigation is crucial for long-distance travel planning.

大圆航线导航的概念对于长途旅行规划至关重要。

3.Using great circle navigation, ships can save fuel and time on their journeys.

利用大圆航线导航，船只可以节省燃料和时间。

4.Many airlines use great circle navigation to optimize flight routes.

许多航空公司使用大圆航线导航来优化飞行路线。

5.Sailors have relied on great circle navigation for centuries to find the shortest path across oceans.

水手们几个世纪以来依赖大圆航线导航来寻找跨越海洋的最短路径。

作文

Great circle navigation is a method of plotting a course on the surface of a sphere, which is particularly useful for long-distance travel. This technique is based on the concept of a great circle, which is the largest possible circle that can be drawn on a sphere. When navigators use great circle navigation, they are essentially following the shortest path between two points on the globe. This is crucial for airlines and shipping companies, as it allows them to save both time and fuel during their journeys.To understand great circle navigation, one must first grasp the geometry of the Earth. The Earth is not flat; rather, it is an oblate spheroid. This means that while we often think of maps in two dimensions, the reality is that we are navigating a three-dimensional space. A great circle represents a division of the sphere into two equal halves, and any plane that intersects the center of the sphere will create a great circle. Therefore, when an airplane or ship travels along a great circle route, it is taking advantage of this geometric principle to minimize distance.For instance, if you were to fly from Los Angeles to Tokyo, the most direct route would not be a straight line on a flat map. Instead, it would appear as an arc on a two-dimensional representation of the Earth, following a great circle navigation path. This might seem counterintuitive at first, but it is essential for efficient travel across vast distances.The implementation of great circle navigation has been significantly enhanced by modern technology. Global Positioning System (GPS) and advanced navigation software allow pilots and mariners to calculate and follow these routes with remarkable precision. These tools take into account various factors, such as wind speed, weather conditions, and the curvature of the Earth, ensuring that the journey remains as efficient as possible.However, great circle navigation is not without challenges. For example, when navigating over polar regions, the great circle route may lead to complications due to the extreme weather conditions and limited search and rescue capabilities in those areas. Additionally, pilots must also consider air traffic control regulations and restricted airspaces, which may require deviations from the ideal great circle path.In conclusion, great circle navigation is a vital technique for modern navigation, allowing for the most efficient routes across the globe. By understanding the principles of great circles and utilizing advanced technology, navigators can optimize their travel, saving time and resources. As our world becomes increasingly interconnected, mastering great circle navigation will remain essential for those in the aviation and maritime industries, ensuring safe and efficient transportation in our ever-evolving global landscape.

大圆航行是一种在球体表面绘制航线的方法，特别适用于远距离旅行。这一技术基于大圆的概念，即可以在球体上绘制的最大圆。当导航员使用大圆航行时，他们实际上是在沿着地球上两点之间的最短路径前进。这对于航空公司和航运公司至关重要，因为这使他们在旅途中节省时间和燃料。要理解大圆航行，首先必须掌握地球的几何形状。地球并不是平坦的；相反，它是一个扁球体。这意味着虽然我们通常在二维空间中思考地图，但现实是我们在导航三维空间。大圆代表将球体分为两个相等部分的划分，任何与球体中心相交的平面都会形成一个大圆。因此，当飞机或船只沿着大圆航行时，它利用这一几何原理来最小化距离。例如，如果你从洛杉矶飞往东京，最直接的航线并不是在平面地图上的直线。相反，它会在地球的二维表示上呈弧形，遵循大圆航行的路径。这起初可能看起来不合逻辑，但在跨越广阔距离的旅行中，这是至关重要的。现代技术显著增强了大圆航行的实施。全球定位系统（GPS）和先进的导航软件使得飞行员和航海者能够以惊人的精确度计算和遵循这些航线。这些工具考虑了各种因素，如风速、天气条件和地球的曲率，确保旅程尽可能高效。然而，大圆航行并非没有挑战。例如，在极地地区航行时，大圆航线可能因极端天气条件和有限的搜救能力而导致复杂情况。此外，飞行员还必须考虑空中交通管制法规和限制空域，这可能需要偏离理想的大圆路径。总之，大圆航行是现代导航中的一项重要技术，允许在全球范围内选择最有效的航线。通过理解大圆的原理并利用先进的技术，导航员可以优化他们的旅行，节省时间和资源。随着我们的世界变得越来越互联，掌握大圆航行将继续对航空和航运行业的人士至关重要，确保在不断发展的全球环境中安全高效的运输。