contour line

简明释义

轮廓线等高线等值线等强线

英英释义

例句

1.The contour lines on the geological survey help identify potential landslide areas.

地质调查中的等高线有助于识别潜在的滑坡区域。

2.The map shows several contour lines that indicate the elevation changes in the area.

这张地图显示了几条等高线，指示该地区的海拔变化。

3.In landscape design, contour lines are used to create aesthetically pleasing and functional spaces.

在景观设计中，等高线用于创建美观且实用的空间。

4.When hiking, it's important to understand how to read contour lines on a topographic map.

在远足时，了解如何阅读地形图上的等高线是很重要的。

5.The contour lines on the map are spaced closely together, indicating a steep slope.

地图上的等高线间距很近，表明陡坡。

作文

In the realm of geography and cartography, understanding the concept of a contour line is essential for interpreting topographical maps. A contour line is defined as an imaginary line on the ground that connects points of equal elevation above a given level, such as sea level. These lines are crucial for visualizing the three-dimensional shape of the terrain on a two-dimensional map. By analyzing contour lines, one can discern various landforms, such as hills, valleys, and plains, providing invaluable information for hikers, planners, and geologists alike.To elaborate further, the spacing between contour lines indicates the steepness of the terrain. When contour lines are close together, it signifies a steep slope; conversely, when they are spaced farther apart, it represents a gentle slope. This characteristic allows individuals to quickly assess the difficulty of navigating through a particular area. For example, a mountain trail with closely spaced contour lines would indicate a challenging hike, while a path with widely spaced lines suggests an easier trek.Moreover, contour lines can reveal important features of the landscape, such as ridges and depressions. A peak will be represented by concentric circles of contour lines, while a valley will appear as a V-shape pointing uphill. Understanding these patterns can aid in outdoor activities, such as hiking, skiing, or even mountain biking, as they provide insights into the elevation changes one might encounter.In addition to recreational uses, contour lines play a significant role in urban planning and environmental management. Engineers and planners utilize topographical maps with contour lines to determine suitable locations for construction, drainage systems, and roadways. By recognizing how the land slopes and where water might flow, they can make informed decisions that minimize environmental impact and enhance safety.Furthermore, agricultural practices also benefit from the knowledge of contour lines. Farmers can employ contour plowing, a technique that follows the natural contours of the land, to reduce soil erosion and improve water retention. This sustainable farming method not only conserves the soil but also promotes healthier crop yields.In conclusion, the significance of contour lines extends far beyond mere cartographic representation. They serve as a vital tool for understanding the physical landscape, aiding in navigation, planning, and environmental stewardship. Whether one is an avid hiker seeking new trails, a city planner designing infrastructure, or a farmer looking to optimize land use, the ability to interpret contour lines is an invaluable skill. As we continue to engage with our environment, mastering the concept of contour lines will undoubtedly enhance our appreciation and understanding of the world around us.

在地理和制图领域，理解“等高线”的概念对于解读地形图至关重要。“等高线”被定义为连接地面上等于某一特定高度（如海平面）点的假想线。这些线对于在二维地图上可视化地形的三维形状至关重要。通过分析等高线，人们可以辨别出各种地貌，如山丘、山谷和平原，为徒步旅行者、规划者和地质学家提供了宝贵的信息。进一步说，等高线之间的间距表示地形的陡峭程度。当等高线靠得很近时，意味着坡度陡峭；相反，当它们的间距较大时，表示坡度较缓。这一特征使个人能够快速评估穿越特定区域的难度。例如，具有紧密间距的等高线的山道将表明一次具有挑战性的徒步旅行，而具有较宽间距的线路则暗示着更容易的行程。此外，等高线可以揭示地形的重要特征，如山脊和洼地。一个山峰将由同心的等高线圈表示，而一个山谷将呈现为指向上坡的V形。理解这些模式可以帮助进行户外活动，如徒步旅行、滑雪，甚至山地自行车，因为它们提供了对可能遇到的高度变化的洞察。除了娱乐用途，等高线在城市规划和环境管理中也发挥着重要作用。工程师和规划者利用带有等高线的地形图来确定适合建设、排水系统和道路的地点。通过识别土地的倾斜程度以及水可能流动的方向，他们可以做出减少环境影响并提高安全性的明智决策。此外，农业实践也从对等高线的了解中受益。农民可以采用沿着土地自然轮廓进行的等高耕作技术，以减少土壤侵蚀并改善水分保持。这种可持续的耕作方法不仅保护土壤，还促进更健康的作物产量。总之，等高线的重要性远超简单的制图表现。它们作为理解物理景观的重要工具，有助于导航、规划和环境保护。无论是热衷于徒步旅行的爱好者寻找新路径，还是城市规划者设计基础设施，或是希望优化土地使用的农民，能够解读等高线是一项宝贵的技能。随着我们继续与环境互动，掌握等高线的概念无疑将增强我们对周围世界的欣赏和理解。