great circle section

简明释义

大圆航行分段

英英释义

A great circle section refers to the intersection of a sphere with a plane that passes through the center of the sphere, resulting in the largest possible circle on the surface of the sphere.

大圆截面指的是一个平面与一个球体的交集,该平面通过球体的中心,从而在球体表面形成最大的圆。

例句

1.In aviation, the great circle section helps in calculating flight times more accurately.

在航空中,大圆弧段有助于更准确地计算飞行时间。

2.Geographers use the concept of great circle section to measure distances between two points on a globe.

地理学家使用大圆弧段的概念来测量地球仪上两点之间的距离。

3.Sailing across the ocean, the captain plotted a course along the great circle section to save fuel.

在海洋上航行时,船长沿着大圆弧段绘制航线以节省燃料。

4.The great circle section is essential for understanding the curvature of the Earth in navigation.

大圆弧段对于理解地球在导航中的曲率至关重要。

5.When planning a flight, pilots often calculate the shortest route using the great circle section.

在规划航班时,飞行员通常会使用大圆弧段计算最短路线。

作文

The concept of a great circle section is fundamental in both geography and navigation. A great circle section refers to the intersection of a sphere with a plane that passes through the center of the sphere, resulting in the largest possible circle that can be drawn on the surface of the sphere. This concept is crucial for understanding how we navigate our world, particularly when it comes to air travel and maritime navigation. When we think about the Earth, which is approximately spherical in shape, the great circle section becomes an essential tool for determining the shortest distance between two points on its surface. For example, when an airplane flies from one city to another, it does not take a straight line on a flat map; instead, it follows a path that corresponds to a great circle section. This is why flight paths often appear curved when viewed on a traditional map. One of the most common examples of a great circle section is the equator, which divides the Earth into the Northern and Southern Hemispheres. The equator is the longest great circle section and serves as a reference point for latitude. Other great circle sections can be found by drawing circles around the globe at various angles, but none will exceed the length of the equator. Understanding great circle sections is also vital for navigators. In maritime navigation, sailors use charts that incorporate great circle sections to plot their courses across vast oceans. By following a great circle section, sailors can minimize their travel distance and save time and fuel, making their journeys more efficient. In addition to practical applications, the concept of a great circle section has implications in fields such as astronomy and physics. For instance, when considering the orbits of celestial bodies, the paths they take can often be analyzed using the principles of great circle sections. This helps scientists understand the dynamics of planetary motion and the gravitational forces at play. Moreover, the mathematical properties of great circle sections are fascinating. They can be described using spherical trigonometry, which involves the study of triangles on the surface of a sphere. This area of mathematics is not only applicable in navigation but also in fields like computer graphics, where 3D modeling requires an understanding of spherical shapes and their characteristics. In conclusion, the great circle section is a significant concept that bridges various disciplines, including geography, navigation, and mathematics. Its importance cannot be overstated, as it provides a framework for understanding how we interact with our planet and the universe. Whether you are a traveler plotting your next adventure or a scientist exploring the cosmos, the great circle section plays a crucial role in our comprehension of spatial relationships and distances. Embracing this concept allows us to appreciate the complexity and beauty of the world around us.

“大圆弧分段”的概念在地理和导航中都是基础性的。“大圆弧分段”是指一个平面与球体的交集,该平面通过球体的中心,形成了可以在球体表面上绘制的最大圆圈。这一概念对于理解我们如何在世界上导航至关重要,特别是在航空旅行和海洋导航方面。当我们想到地球时,地球大致呈球形,“大圆弧分段”成为确定两点之间最短距离的基本工具。例如,当一架飞机从一个城市飞往另一个城市时,它并不是在平面地图上沿直线飞行,而是遵循与“大圆弧分段”相对应的路径。这就是为什么航班路径在传统地图上看起来往往是曲线的原因。“大圆弧分段”的一个常见例子是赤道,它将地球分为北半球和南半球。赤道是最长的“大圆弧分段”,并作为纬度的参考点。其他的“大圆弧分段”可以通过在地球上绘制不同角度的圆圈来找到,但没有任何一个会超过赤道的长度。理解“大圆弧分段”对于导航员也至关重要。在海洋导航中,水手使用包含“大圆弧分段”的图表来绘制他们在广阔海洋中的航线。通过遵循“大圆弧分段”,水手可以最小化旅行距离,从而节省时间和燃料,使他们的旅程更加高效。除了实际应用外,“大圆弧分段”的概念在天文学和物理学等领域也有影响。例如,在考虑天体轨道时,它们所采取的路径通常可以使用“大圆弧分段”的原理进行分析。这帮助科学家理解行星运动的动态和作用于其上的引力。此外,“大圆弧分段”的数学性质也很有趣。它们可以使用球面三角学来描述,这涉及到研究球面上的三角形。这一数学领域不仅适用于导航,也适用于计算机图形学,在3D建模中需要理解球形及其特性。总之,“大圆弧分段”是一个重要的概念,连接了多个学科,包括地理、导航和数学。它的重要性不容小觑,因为它为理解我们与地球和宇宙的互动提供了框架。无论你是规划下一个冒险的旅行者,还是探索宇宙的科学家,“大圆弧分段”在我们对空间关系和距离的理解中扮演着至关重要的角色。掌握这一概念使我们能够欣赏周围世界的复杂性和美丽。