gnomonic graticules

简明释义

心射图网

英英释义

例句

1.The map features gnomonic graticules, which help in accurately plotting great circle routes.

这张地图具有正投影网格，有助于准确绘制大圆航线。

2.Using gnomonic graticules allows navigators to visualize the shortest path between two points on a globe.

使用正投影网格可以让导航员直观地看到地球上两点之间的最短路径。

3.In cartography, gnomonic graticules are essential for understanding spatial relationships.

在制图学中，正投影网格对于理解空间关系至关重要。

4.The gnomonic graticules on this projection make it easier to calculate distances.

这个投影上的正投影网格使计算距离变得更加容易。

5.Geographers often use gnomonic graticules to represent the Earth's surface accurately.

地理学家经常使用正投影网格来准确表示地球表面。

作文

The concept of gnomonic graticules is essential in the field of cartography and geography. To understand this term, we first need to break it down into its components. A 'graticule' refers to the network of latitude and longitude lines that are used on maps to help locate positions on the Earth’s surface. These lines create a grid that facilitates navigation and geographical understanding. The term 'gnomonic' comes from the Greek word 'gnomon', which means 'to know' or 'to understand'. In the context of mapping, it refers to a specific type of projection that displays all great circles as straight lines. This characteristic is particularly useful for navigation because great circles represent the shortest distance between two points on the globe.When we visualize a gnomonic graticule, we see a map projection that is created by projecting points from the surface of a sphere onto a plane. This projection is done from the center of the sphere, which means that the map can represent distances and angles accurately for short trips. However, as one moves away from the center point, distortions in area and shape become more pronounced. Despite these distortions, gnomonic graticules are invaluable for certain applications, such as air and sea navigation, where understanding the shortest path is crucial.One of the most significant advantages of gnomonic graticules is their ability to depict the shortest route between two points directly as a straight line. This property is particularly beneficial for pilots and mariners who rely on accurate navigation tools for their journeys. By following the great circle route indicated on a gnomonic graticule, navigators can save time and fuel, making their voyages more efficient.However, the use of gnomonic graticules is not without its challenges. The distortion that occurs as one moves away from the central point means that these maps are not suitable for representing large areas. For instance, if a navigator were to use a gnomonic graticule to plan a journey across an entire continent, the inaccuracies could lead to significant errors. Therefore, while they are excellent for plotting shorter routes, other types of projections may be more appropriate for broader geographical representations.In conclusion, the study of gnomonic graticules highlights the balance between utility and accuracy in cartographic practices. As technology advances, the methods of creating and utilizing these graticules continue to evolve. Modern tools and software have made it easier to generate these projections, allowing for more precise navigation and geographical analysis. Understanding gnomonic graticules is crucial for anyone involved in fields that require spatial awareness and navigation, as they provide a unique perspective on how we can traverse our planet efficiently.

“gnomonic graticules”的概念在制图和地理学领域至关重要。要理解这个术语，我们首先需要将其分解成几个部分。“graticule”指的是用于地图上的纬线和经线网络，帮助定位地球表面的点。这些线创建了一个网格，方便导航和地理理解。“gnomonic”一词源于希腊语“gnomon”，意为“知道”或“理解”。在制图的背景下，它指的是一种特定类型的投影，能够将所有大圆表示为直线。这一特性对导航尤为重要，因为大圆代表着地球上两点之间的最短距离。当我们想象“gnomonic graticule”时，我们看到的是通过将球体表面上的点投影到平面上而创建的地图投影。这种投影是从球体的中心进行的，这意味着地图可以准确地表示短途旅行的距离和角度。然而，随着离中心点的距离增加，区域和形状的扭曲变得更加明显。尽管存在这些扭曲，“gnomonic graticules”在某些应用中是非常宝贵的，例如航空和海洋导航，在这些情况下，理解最短路径至关重要。“gnomonic graticules”的一个显著优点是它们能够将两点之间的最短路径直接表示为一条直线。这一特性对于依赖准确导航工具进行旅行的飞行员和航海者尤其有利。通过遵循在“gnomonic graticule”上指示的大圆航线，导航者可以节省时间和燃料，使他们的航行更加高效。然而，使用“gnomonic graticules”并非没有挑战。随着离中心点的距离增加，发生的扭曲意味着这些地图不适合表示大面积。例如，如果导航者使用“gnomonic graticule”来规划跨越整个大陆的旅程，不准确可能会导致重大错误。因此，虽然它们在绘制较短的航线时表现出色，但其他类型的投影可能更适合更广泛的地理表示。总之，对“gnomonic graticules”的研究突显了制图实践中实用性与准确性之间的平衡。随着技术的进步，创建和利用这些格网的方法继续演变。现代工具和软件使得生成这些投影变得更加容易，从而使得导航和地理分析更加精确。理解“gnomonic graticules”对于任何涉及空间意识和导航的领域的人来说都是至关重要的，因为它们提供了我们如何有效穿越地球的独特视角。