polyconic

简明释义

英[pɒlɪˈkɒnɪk]美[ˌpɑliˈkɑnɪk]

adj. 多圆锥的

英英释义

单词用法

同义词

反义词

例句

1.It is a Strebe equal-area projection, polyconic.

它是一幅斯特·雷贝等积多圆锥投影图。

2.It is a Strebe equal-area projection, polyconic.

它是一幅斯特·雷贝等积多圆锥投影图。

3.Cartographers often prefer the polyconic projection for its ability to represent landmasses accurately.

制图师通常更喜欢多圆锥投影，因为它能准确地表示陆地。

4.The map was created using a polyconic projection, which minimizes distortion in the mid-latitudes.

这张地图采用了多圆锥投影，最小化了中纬度地区的变形。

5.Using a polyconic map, we were able to navigate through the mountainous terrain more easily.

使用多圆锥地图，我们能够更轻松地在山区地形中导航。

6.In geography class, we learned that a polyconic projection is particularly useful for mapping regions with large east-west extents.

在地理课上，我们了解到多圆锥投影对于绘制东西方向延展较大的地区特别有用。

7.The polyconic projection allows for better representation of areas near the equator.

这种多圆锥投影能够更好地表示靠近赤道的地区。

作文

The world of cartography is filled with various projection methods, each designed to represent the three-dimensional surface of the Earth on a two-dimensional plane. Among these methods, the polyconic projection stands out due to its unique characteristics and applications. The term polyconic refers to a type of map projection that uses multiple cones to project geographical features. This method allows for a more accurate representation of areas, particularly in regions that are elongated from east to west. One of the primary advantages of the polyconic projection is its ability to maintain scale over large areas. Unlike other projections that may distort shapes or distances, the polyconic projection is designed to minimize these distortions, making it particularly useful for mapping extensive territories. For instance, when mapping the United States, the polyconic projection can effectively represent the vast landscapes of the country without compromising the accuracy of distances between key locations.In addition to its practical applications, the polyconic projection also offers a visually appealing representation of geographical features. The use of multiple cones allows for a more natural appearance of landforms, rivers, and mountain ranges. This aesthetic quality makes polyconic maps popular among cartographers and geographers who wish to create visually striking representations of the Earth’s surface.However, like any projection, the polyconic method has its limitations. While it excels in preserving scale, it may not be the best choice for all types of maps. For example, when creating maps for navigation, other projections such as the Mercator projection might be preferred due to their ability to represent straight lines as constant compass bearings. Therefore, the choice of projection often depends on the specific needs of the map’s intended use.The historical significance of the polyconic projection cannot be overlooked. It was widely used in the 19th century, particularly in the United States, where it was utilized for topographical maps and surveys. The U.S. Geological Survey adopted the polyconic projection for many of its early maps, showcasing its effectiveness in accurately representing the diverse terrains of the nation. Today, while advancements in technology have led to the development of more sophisticated mapping techniques, the polyconic projection remains a relevant and valuable tool in the field of cartography.In conclusion, the polyconic projection is a fascinating and essential aspect of map-making. Its ability to provide an accurate and aesthetically pleasing representation of geographical features makes it a valuable tool for cartographers. Understanding the nuances of different projection methods, including the polyconic projection, is crucial for anyone interested in the art and science of mapping our world. As we continue to explore and document our planet, the polyconic projection will undoubtedly remain an important part of the cartographic toolkit, helping us navigate and understand the complexities of our geography.

制图学的世界充满了各种投影方法，每种方法都旨在将地球的三维表面表示为二维平面。在这些方法中，polyconic 投影因其独特的特性和应用而脱颖而出。术语 polyconic 指的是一种地图投影类型，它使用多个圆锥体来投影地理特征。这种方法允许对区域进行更准确的表示，特别是在东西方向延伸的地区。polyconic 投影的主要优点之一是它能够保持大面积的比例。与可能扭曲形状或距离的其他投影不同，polyconic 投影设计用于最小化这些扭曲，使其在绘制广阔领土时特别有用。例如，在绘制美国地图时，polyconic 投影可以有效地表示该国的广阔景观，而不损害关键位置之间距离的准确性。除了其实用应用外，polyconic 投影还提供了对地理特征的视觉上令人愉悦的表现。多个圆锥体的使用使得陆地形态、河流和山脉呈现出更加自然的外观。这种美学品质使得 polyconic 地图在希望创建视觉上引人注目的地球表面表示的制图师和地理学家中受到欢迎。然而，与任何投影一样，polyconic 方法也有其局限性。虽然它在保持比例方面表现出色，但并不一定适合所有类型的地图。例如，在创建导航地图时，可能会更倾向于使用其他投影，如墨卡托投影，因为它们能够将直线表示为恒定的罗盘方位。因此，投影的选择往往取决于地图预期用途的具体需求。polyconic 投影的历史意义也不容忽视。它在19世纪被广泛使用，特别是在美国，当时用于地形图和测量。美国地质调查局采用了 polyconic 投影制作早期地图，展示了其在准确表示国家多样地形方面的有效性。如今，尽管技术的进步导致了更复杂的制图技术的发展，polyconic 投影仍然是制图领域中相关且有价值的工具。总之，polyconic 投影是地图制作的一个迷人且重要的方面。它能够提供准确且美观的地理特征表示，使其成为制图师的重要工具。理解不同投影方法的细微差别，包括 polyconic 投影，对于任何对制图艺术和科学感兴趣的人来说都是至关重要的。随着我们继续探索和记录我们的星球，polyconic 投影无疑将继续作为制图工具包中的重要组成部分，帮助我们导航并理解我们地理的复杂性。