great circle track

简明释义

大圆航迹

英英释义

A great circle track refers to the path of an aircraft or ship that follows the arc of a great circle, which is the shortest distance between two points on the surface of a sphere.

大圆航迹是指飞机或船只沿着大圆的弧线行驶的路径,大圆是球体表面上两点之间的最短距离。

例句

1.Using the great circle track can save several hours on a long-haul flight.

使用大圆航迹可以在长途航班上节省几个小时。

2.The map displayed the great circle track between New York and Tokyo.

地图上显示了纽约和东京之间的大圆航迹

3.When planning a flight, pilots calculate the great circle track to determine the shortest route.

在规划航班时,飞行员计算大圆航迹以确定最短路线。

4.The airplane followed a great circle track to minimize fuel consumption.

飞机沿着大圆航迹飞行,以减少燃料消耗。

5.Navigators use the great circle track method for long-distance sea voyages.

导航员在远洋航行中使用大圆航迹方法。

作文

The concept of a great circle track is essential in navigation and geography. A great circle is the largest circle that can be drawn on a sphere, which divides it into two equal halves. This concept is crucial for various fields, particularly aviation and maritime navigation, as it represents the shortest path between two points on the surface of a sphere. When pilots and ship captains plan their routes, they often rely on the principles of great circles to optimize travel time and fuel efficiency.For instance, when an airplane flies from New York to Tokyo, it does not fly in a straight line as one might expect if looking at a flat map. Instead, it follows a great circle track, which may appear curved on a standard map projection but is actually the shortest distance over the Earth's surface. This phenomenon occurs because the Earth is a sphere, and the shortest distance between two points on a sphere is along the arc of a great circle.Understanding the great circle track also has implications for global positioning systems (GPS). GPS technology relies on satellites that orbit the Earth, and these satellites communicate using signals that travel along paths that can be approximated by great circles. Consequently, the accuracy of GPS navigation is enhanced by incorporating the principles of great circles, ensuring that users can determine their location and navigate effectively.Moreover, the great circle track concept extends beyond just air and sea travel. It plays a significant role in telecommunications and data transmission. For example, undersea cables that connect continents often follow great circle routes to minimize the distance and, consequently, the latency in communication. By understanding and applying the principles of great circles, engineers can design more efficient networks that enhance global connectivity.In addition to practical applications, the great circle track also serves as a fascinating topic of study in mathematics and physics. The mathematical equations that define great circles involve spherical trigonometry and can be used to solve complex problems related to navigation and mapping. Students and professionals in these fields benefit from grasping the concept of great circles as it deepens their understanding of spatial relationships and geometric properties.In conclusion, the great circle track is a fundamental concept that influences various aspects of navigation, technology, and science. Whether in aviation, maritime travel, telecommunications, or academic study, recognizing the significance of great circles helps individuals and organizations make informed decisions that enhance efficiency and effectiveness. As our world becomes increasingly interconnected, understanding the principles behind great circle tracks will remain vital for navigating both physically and digitally across our globe.

“大圆航迹”的概念在导航和地理学中至关重要。大圆是可以在球体上绘制的最大圆,它将球体分成两个相等的部分。这个概念对于多个领域尤为重要,尤其是航空和海洋导航,因为它代表了在球面上两点之间的最短路径。当飞行员和船长规划航线时,他们通常依靠大圆的原理来优化旅行时间和燃料效率。例如,当一架飞机从纽约飞往东京时,它并不会像人们在平面地图上所期望的那样直线飞行。相反,它沿着一条大圆航迹飞行,这在标准地图投影上可能看起来是弯曲的,但实际上是地球表面上最短的距离。这种现象发生是因为地球是一个球体,而在球体上,两点之间的最短距离是沿着大圆的弧线。理解大圆航迹还对全球定位系统(GPS)有重要影响。GPS技术依赖于绕地球轨道运行的卫星,这些卫星通过沿着可以用大圆近似的路径传播信号进行通信。因此,GPS导航的准确性通过结合大圆的原理得到了增强,确保用户能够有效地确定他们的位置并进行导航。此外,大圆航迹的概念不仅限于航空和海洋旅行。它在电信和数据传输中也起着重要作用。例如,连接大陆的海底电缆通常沿着大圆路线铺设,以最小化距离,从而减少通信延迟。通过理解和应用大圆的原理,工程师可以设计出更高效的网络,从而增强全球连接性。除了实际应用外,大圆航迹还是数学和物理研究中的一个迷人主题。定义大圆的数学方程涉及球面三角学,可以用来解决与导航和制图相关的复杂问题。学生和专业人士在这些领域掌握大圆的概念,有助于加深他们对空间关系和几何属性的理解。总之,大圆航迹是一个基本概念,它影响着导航、技术和科学的各个方面。无论是在航空、海洋旅行、电信还是学术研究中,认识到大圆的重要性帮助个人和组织做出明智的决策,从而提高效率和效果。随着我们的世界变得越来越互联,理解大圆航迹背后的原理将继续对我们在物理和数字上穿越全球至关重要。