contour line

简明释义

1. 等高线; 2. 等值线; 3. 等强线; 4. 等深线; 5. 轮廓线;

英英释义

例句

1.The map shows a series of contour lines 等高线 that indicate the elevation of the terrain.

这张地图显示了一系列的contour lines等高线，指示地形的高度。

2.The contour lines 等高线 on this hiking map help us navigate the trails effectively.

这张远足地图上的contour lines等高线帮助我们有效地导航小径。

3.A steep hill will have closely spaced contour lines 等高线, while a flat area will have them spaced farther apart.

陡峭的山丘会有紧密排列的contour lines等高线，而平坦的地区则会有较远的间隔。

4.In geography class, we learned how to interpret contour lines 等高线 on topographic maps.

在地理课上，我们学习了如何解读地形图上的contour lines等高线。

5.Surveyors use contour lines 等高线 to determine the slope of land for construction projects.

测量员使用contour lines等高线来确定土地的坡度，以便进行建设项目。

作文

In the world of geography and cartography, understanding the concept of a contour line is essential for interpreting topographic maps. A contour line is defined as a line on a map that connects points of equal elevation above a given level, such as sea level. These lines are crucial for visualizing the terrain of an area, allowing us to understand its slopes, valleys, and peaks without having to physically explore the land. When we examine a topographic map, the contour lines provide us with a three-dimensional perspective of the landscape. Each contour line represents a specific elevation, and the spacing between these lines indicates the steepness of the terrain. For instance, closely spaced contour lines signify a steep slope, while widely spaced lines indicate a gentle slope. This information is vital for various applications, including hiking, urban planning, and environmental studies.One of the most fascinating aspects of contour lines is how they can reveal the intricacies of a landscape. For example, when looking at a mountain range on a map, the contour lines will show concentric circles around the peak, illustrating the gradual ascent to the summit. Similarly, in a valley, the contour lines might form U-shaped patterns, indicating the lower elevation compared to the surrounding areas. Moreover, contour lines can also help identify features such as ridges, depressions, and plateaus. Ridges are represented by a series of contour lines that run parallel and are often close together, while depressions are indicated by hachured lines, which are small lines drawn on the inside of the contour line. This level of detail allows geographers and explorers to make informed decisions about navigation and land use.In addition to their practical applications, contour lines hold artistic value as well. Many artists and designers draw inspiration from the natural flow and rhythm of contour lines when creating landscapes or abstract forms. The way these lines curve and intersect can evoke emotions and convey movement, making them a powerful tool in both art and science.Furthermore, understanding contour lines is not just limited to professionals in geography or cartography; it is also beneficial for outdoor enthusiasts. Hikers and climbers rely on topographic maps with contour lines to plan their routes and assess the difficulty of their journeys. By recognizing the patterns formed by the contour lines, they can anticipate challenging sections and prepare accordingly.In conclusion, the significance of contour lines extends beyond mere lines on a map. They serve as a bridge between two-dimensional representations and the three-dimensional reality of our world. Whether for practical navigation, artistic expression, or scientific study, contour lines enrich our understanding of the environment. As we continue to explore and interact with the landscapes around us, the knowledge of contour lines will remain a fundamental aspect of our geographical literacy.

在地理和制图的世界中，理解“等高线”的概念对于解读地形图至关重要。“等高线”被定义为连接给定水平（如海平面）上相同高度点的线。这些线对于可视化区域的地形至关重要，使我们能够在不必亲自探索土地的情况下理解其坡度、山谷和高峰。当我们检查一张地形图时，“等高线”为我们提供了对景观的三维视角。每条“等高线”代表特定的高度，这些线之间的间距表示地形的陡峭程度。例如，紧密的“等高线”表示陡坡，而宽间距的线则表示缓坡。这些信息对于徒步旅行、城市规划和环境研究等各种应用至关重要。“等高线”最迷人的方面之一是它们如何揭示景观的复杂性。例如，当查看一座山脉的地图时，“等高线”将围绕山峰形成同心圆，展示通往顶峰的逐渐上升。同样，在一个山谷中，“等高线”可能形成U形图案，表示与周围地区相比的低海拔。此外，“等高线”还可以帮助识别诸如山脊、洼地和平原等特征。山脊由一系列平行且通常靠近的“等高线”表示，而洼地则用小线条表示，这些小线条绘制在“等高线”的内部。这样的细节使地理学家和探险者能够就导航和土地使用做出明智的决定。除了实际应用外，“等高线”在艺术上也具有价值。许多艺术家和设计师在创作风景或抽象形式时，从“等高线”的自然流动和节奏中汲取灵感。这些线条的曲线和交叉方式可以唤起情感并传达运动，使其成为艺术和科学中的强大工具。此外，理解“等高线”不仅限于地理或制图专业人士；它对户外爱好者也有益。徒步旅行者和登山者依赖带有“等高线”的地形图来规划路线和评估旅程的难度。通过识别“等高线”形成的模式，他们可以预见到具有挑战性的部分，并做好相应的准备。总之，“等高线”的重要性超越了地图上的简单线条。它们在二维表示和我们世界的三维现实之间架起了桥梁。无论是用于实用导航、艺术表达还是科学研究，“等高线”都丰富了我们对环境的理解。随着我们继续探索和与周围的景观互动，“等高线”的知识将始终是我们地理素养的基本方面。