gnomonic chart

简明释义

心射海图

英英释义

例句

1.The navigator used a gnomonic chart to plot the shortest route across the ocean.

导航员使用等距圆图来规划穿越海洋的最短路线。

2.Sailors have relied on gnomonic charts for centuries to ensure safe passage.

几百年来，水手们依靠等距圆图来确保安全通行。

3.In our geography class, we learned how to interpret a gnomonic chart for better navigation skills.

在我们的地理课上，我们学习了如何解读等距圆图以提高导航技能。

4.A gnomonic chart is particularly useful for long-distance air travel.

等距圆图在长途航空旅行中尤其有用。

5.The gnomonic chart displayed the great circle routes that minimize travel distance.

等距圆图展示了最小化旅行距离的大圆航线。

作文

The world of cartography is filled with various techniques and methods for representing our planet. One such method that has intrigued geographers and navigators alike is the gnomonic chart. A gnomonic chart is a type of map projection that displays great circles as straight lines, which makes it particularly useful for navigation. This unique characteristic allows sailors and aviators to plot the shortest route between two points on the globe, known as a great circle route. Understanding the significance of a gnomonic chart requires delving into its mathematical foundations and practical applications.The term 'gnomonic' originates from the Greek word 'gnomon,' meaning 'to know' or 'to understand.' The gnomonic chart is constructed by projecting points from the surface of a sphere onto a tangent plane. This projection method preserves the property of straight lines, making it easier to visualize the shortest path over long distances. For example, an airline pilot can use a gnomonic chart to determine the most efficient flight path, ultimately saving time and fuel.While the gnomonic chart is invaluable for navigation, it does come with limitations. One major drawback is that it distorts shapes and areas, especially as one moves away from the center of the projection. This distortion can lead to misinterpretations if not carefully considered. Furthermore, a gnomonic chart only represents a limited portion of the Earth at any given time, which means that it cannot be used for comprehensive global mapping.Despite these limitations, the gnomonic chart has found its place in various fields beyond navigation. For instance, in the realm of geology, researchers utilize this projection to analyze patterns of tectonic activity and mineral deposits. By representing the Earth's features in a way that emphasizes direct relationships, a gnomonic chart can reveal insights that might be obscured in other types of projections.Additionally, the gnomonic chart plays a role in astronomical observations. Astronomers often use this projection to map celestial bodies and their movements across the sky. The ability to depict the shortest paths in a straightforward manner helps astronomers plan their observations and understand the dynamics of celestial mechanics.In conclusion, the gnomonic chart is a remarkable tool in the field of cartography, offering unique advantages for navigation and analysis. While it may present challenges in terms of distortion, its ability to represent great circles as straight lines makes it an essential resource for various applications. As technology continues to evolve, the integration of gnomonic charts with digital mapping systems may further enhance their utility, allowing for more precise navigation and exploration of our world and beyond. Understanding the gnomonic chart not only enriches our knowledge of geography but also equips us with the tools necessary to navigate the complexities of our planet effectively.

制图学的世界充满了各种技术和方法来表示我们的星球。其中一种引起地理学家和导航员兴趣的方法是gnomonic chart。gnomonic chart是一种地图投影，显示大圆为直线，这使得它在导航中尤为有用。这一独特特性允许水手和飞行员绘制两点之间的最短路线，称为大圆航线。理解gnomonic chart的重要性需要深入其数学基础和实际应用。“gnomonic”一词源于希腊语“gnomon”，意为“知道”或“理解”。gnomonic chart通过将球面上的点投影到切平面上来构建。这种投影方法保持了直线的特性，使得可视化长距离的最短路径变得更容易。例如，航空公司飞行员可以使用gnomonic chart来确定最有效的飞行路径，从而节省时间和燃料。虽然gnomonic chart对导航至关重要，但它也有局限性。一个主要缺陷是形状和面积的扭曲，尤其是在远离投影中心时。这种扭曲如果没有仔细考虑，可能会导致误解。此外，gnomonic chart在任何给定时间只表示地球的一部分，这意味着它无法用于全面的全球制图。尽管存在这些局限性，gnomonic chart在导航之外的各个领域找到了自己的位置。例如，在地质学领域，研究人员利用这种投影分析构造活动和矿产分布的模式。通过以强调直接关系的方式表示地球特征，gnomonic chart能够揭示在其他类型的投影中可能被掩盖的见解。此外，gnomonic chart在天文学观察中也发挥着作用。天文学家经常使用这种投影来绘制天体及其在天空中的运动。以简单明了的方式描绘最短路径的能力帮助天文学家规划他们的观察并理解天体力学的动态。总之，gnomonic chart是制图学领域的一项卓越工具，为导航和分析提供了独特的优势。尽管在扭曲方面可能存在挑战，但它将大圆表示为直线的能力使其成为各种应用的必备资源。随着技术的不断发展，将gnomonic charts与数字制图系统结合可能进一步增强其实用性，从而实现更精确的导航和探索我们自身及更广阔世界的能力。理解gnomonic chart不仅丰富了我们对地理的知识，还为我们提供了有效应对我们星球复杂性的工具。