contour line
简明释义
轮廓线
英英释义
A contour line is a line on a map that connects points of equal elevation above a given level, such as sea level. | 等高线是地图上连接相同海拔高度点的线,例如海平面以上的高度。 |
例句
1.Hikers often use contour lines to navigate through mountainous areas.
徒步旅行者常常使用等高线在山区导航。
2.The map shows several contour lines that indicate the elevation of the terrain.
这张地图显示了几条等高线,表示地形的高度。
3.In geography class, we learned how to read contour lines on a topographic map.
在地理课上,我们学习了如何读取地形图上的等高线。
4.An engineer used contour lines to design the layout of the new park.
一位工程师使用等高线设计新公园的布局。
5.The closer the contour lines are to each other, the steeper the slope.
越靠近的等高线表示坡度越陡。
作文
In the field of geography and cartography, the term contour line refers to a line on a map that connects points of equal elevation. These lines are crucial for understanding the topography of a landscape, as they provide a visual representation of the terrain's shape and slope. By analyzing contour lines, one can discern various features such as hills, valleys, and plains. For instance, closely spaced contour lines indicate a steep slope, while widely spaced ones suggest a gentle incline. Understanding contour lines is essential for several practical applications. In hiking and outdoor activities, maps featuring contour lines help adventurers navigate through rugged terrains by allowing them to visualize the elevation changes they will encounter. This information is invaluable for planning routes and ensuring safety during excursions. Furthermore, urban planners and engineers utilize contour lines when designing infrastructure projects. Knowledge of the land's elevation helps in making informed decisions regarding drainage, road construction, and building foundations.In addition to their practical uses, contour lines also have aesthetic value in art and design. Artists often use the concept of contour lines to create depth and dimension in their work. By varying the thickness and spacing of these lines, they can convey movement and form, much like how they function in geographical maps.Moreover, the study of contour lines extends beyond just physical geography; it is also relevant in fields like meteorology and oceanography. For example, weather maps employ contour lines to illustrate temperature and pressure variations across different regions. Similarly, oceanographic charts use contour lines to represent underwater topography, aiding in marine navigation and research.In conclusion, contour lines serve as an indispensable tool in various fields, from navigation and engineering to art and science. Their ability to convey complex information in a simple, visual format makes them an essential component of maps and diagrams. As we continue to explore and understand our world, mastering the interpretation of contour lines will remain a vital skill for anyone engaged in geography or related disciplines. Through education and practice, we can all become more adept at reading these lines and appreciating the intricate details they reveal about our environment.
在地理和制图领域,术语等高线指的是地图上连接相同海拔点的线。这些线对于理解地形非常重要,因为它们提供了地形形状和坡度的可视化表示。通过分析等高线,可以辨别出各种特征,如山丘、山谷和平原。例如,紧密间隔的等高线表示陡坡,而间隔较宽的则暗示缓坡。了解等高线对于多个实际应用至关重要。在徒步旅行和户外活动中,带有等高线的地图帮助冒险者在崎岖地形中导航,使他们能够可视化将要遇到的海拔变化。这些信息对于规划路线和确保安全非常宝贵。此外,城市规划者和工程师在设计基础设施项目时也会利用等高线。了解土地的海拔有助于在排水、道路建设和建筑基础方面做出明智的决策。除了实际用途,等高线在艺术和设计中也具有美学价值。艺术家常常使用等高线的概念来创造作品中的深度和立体感。通过改变这些线的粗细和间距,他们可以传达运动和形状,就像它们在地理地图中的功能一样。此外,对等高线的研究不仅限于物理地理;它在气象和海洋学等领域也相关。例如,天气地图使用等高线来说明不同地区的温度和压力变化。同样,海洋图表使用等高线来表示水下地形,有助于海洋导航和研究。总之,等高线作为导航、工程、艺术和科学等多个领域的重要工具。它们以简单的可视化形式传达复杂信息的能力使其成为地图和图表的重要组成部分。随着我们继续探索和理解我们的世界,掌握等高线的解读将始终是任何从事地理或相关学科的人的重要技能。通过教育和实践,我们都可以更好地阅读这些线条,并欣赏它们揭示的环境复杂细节。
相关单词