conic projection with two standard parallels

简明释义

圆锥正割投影

英英释义

例句

1.Cartographers often prefer a conic projection with two standard parallels for mapping countries that extend more east to west than north to south.

制图师通常更喜欢使用带有两个标准纬线的圆锥投影来绘制东西延伸比南北延伸更大的国家。

2.A conic projection with two standard parallels is ideal for aeronautical charts, as it provides accurate distance measurements.

对于航空图来说，带有两个标准纬线的圆锥投影是理想的，因为它提供了准确的距离测量。

3.The conic projection with two standard parallels method is particularly useful for regions with a significant east-west extent.

对于东西延展显著的地区，带有两个标准纬线的圆锥投影方法特别有用。

4.When creating educational maps, using a conic projection with two standard parallels can help students understand geographic relationships better.

在制作教育地图时，使用带有两个标准纬线的圆锥投影可以帮助学生更好地理解地理关系。

5.The map of the region uses a conic projection with two standard parallels to minimize distortion in the mid-latitudes.

该地区的地图使用了带有两个标准纬线的圆锥投影，以减少中纬度地区的变形。

作文

Understanding cartography and the various methods of map projection is essential for anyone interested in geography, urban planning, or environmental science. One of the most fascinating types of map projection is the conic projection with two standard parallels, which offers unique advantages for representing certain regions of the Earth. This technique involves projecting the Earth's surface onto a cone, which is then unrolled to create a flat map. The use of two standard parallels allows for a more accurate representation of areas that lie between these parallels, making it particularly useful for mid-latitude regions.The concept of a conic projection with two standard parallels is built upon the idea of minimizing distortion. When mapping the spherical shape of the Earth onto a flat surface, some distortion is inevitable. However, by selecting two standard parallels, the cartographer can ensure that the scale is true along these lines. This means that distances measured along these parallels are accurate, which is crucial for navigation and land surveying.For example, the Albers Equal Area Conic projection is a well-known conic projection with two standard parallels. It is commonly used for maps of countries and continents that extend primarily in an east-west direction, such as the United States. By placing the standard parallels strategically, the Albers projection maintains area relationships accurately, making it easier to compare the sizes of different regions.In contrast, other types of projections may distort shapes or distances, leading to misconceptions about the relative size and position of geographical features. The choice of a conic projection with two standard parallels can significantly impact the usability and accuracy of a map. For instance, if a cartographer needs to create a map for agricultural purposes, using this type of projection could help in assessing land usage and crop distribution effectively.Moreover, the flexibility of the conic projection with two standard parallels allows cartographers to adapt their maps for specific purposes. By adjusting the location of the standard parallels, they can tailor the projection to fit the geographic area of interest. This adaptability is one of the key reasons why conic projections are favored for regional maps, especially in areas where maintaining area relationships is crucial.In conclusion, the conic projection with two standard parallels is a powerful tool in the field of cartography. Its ability to reduce distortion and maintain accurate representations of distance and area makes it invaluable for various applications. As we continue to explore and understand our planet, mastering the techniques of map projection, including the conic projection with two standard parallels, will remain an essential skill for geographers and scientists alike. By appreciating the intricacies of this projection method, we can develop a deeper understanding of the world around us and make informed decisions based on accurate geographical data.

理解制图学及其各种地图投影方法对于任何对地理、城市规划或环境科学感兴趣的人来说都是至关重要的。其中一种最引人入胜的地图投影类型是具有两个标准平行线的圆锥投影，它在表示地球某些区域时提供了独特的优势。这种技术涉及将地球表面投影到一个圆锥上，然后展开以创建一个平面地图。使用两个标准平行线可以更准确地表示位于这些平行线之间的区域，使其特别适用于中纬度地区。具有两个标准平行线的圆锥投影的概念建立在最小化失真的理念之上。当将地球的球形映射到平面表面时，某些失真是不可避免的。然而，通过选择两个标准平行线，制图师可以确保这些线上的比例是真实的。这意味着沿着这些平行线测量的距离是准确的，这对于导航和土地测量至关重要。例如，阿尔伯斯等面积圆锥投影就是一个众所周知的具有两个标准平行线的圆锥投影。它通常用于主要东西方向延伸的国家和大陆的地图，例如美国。通过战略性地放置标准平行线，阿尔伯斯投影能够准确保持面积关系，使得比较不同地区的大小变得更加容易。相比之下，其他类型的投影可能会扭曲形状或距离，导致对地理特征的相对大小和位置产生误解。选择具有两个标准平行线的圆锥投影可以显著影响地图的可用性和准确性。例如，如果制图师需要为农业目的创建地图，使用这种类型的投影可以有效地帮助评估土地使用和作物分布。此外，具有两个标准平行线的圆锥投影的灵活性使制图师能够根据特定用途调整地图。通过调整标准平行线的位置，他们可以将投影量身定制以适应感兴趣的地理区域。这种适应性是圆锥投影被青睐用于区域地图的关键原因之一，特别是在保持面积关系至关重要的地方。总之，具有两个标准平行线的圆锥投影是制图学领域的一种强大工具。它减少失真并保持距离和面积的准确表示，使其在各种应用中具有不可或缺的价值。随着我们继续探索和理解我们的星球，掌握地图投影技术，包括具有两个标准平行线的圆锥投影，将始终是地理学家和科学家们必备的技能。通过欣赏这种投影方法的复杂性，我们可以更深入地理解周围的世界，并基于准确的地理数据做出明智的决策。