contour line

简明释义

等高线

英英释义

例句

1.The engineer used contour lines 等高线 to design the drainage system for the new development.

工程师使用contour lines 等高线来设计新开发项目的排水系统。

2.The map shows a series of contour lines 等高线 that indicate the elevation changes in the area.

这张地图显示了一系列的contour lines 等高线，指示该地区的海拔变化。

3.In geography class, we learned how to interpret contour lines 等高线 to determine landforms.

在地理课上，我们学习了如何解读contour lines 等高线来确定地形。

4.When hiking, it's important to read the contour lines 等高线 on your map to understand the terrain.

在徒步旅行时，阅读地图上的contour lines 等高线以了解地形是很重要的。

5.The contour lines 等高线 on this topographic map are spaced closely together, indicating a steep slope.

这张地形图上的contour lines 等高线间距很近，表明坡度陡峭。

作文

In the study of geography and topography, one of the most essential tools for understanding the shape and elevation of the land is the use of contour line. A contour line is a line drawn on a map that connects points of equal elevation. This means that every point along a contour line is at the same height above sea level, which allows us to visualize the terrain's slope and steepness. By examining these lines, we can gain insight into the physical features of an area, such as mountains, valleys, and plains.The significance of contour lines extends beyond mere cartography; they are crucial in various fields, including urban planning, environmental studies, and even in outdoor activities like hiking and mountain biking. For instance, when planning a new development, city planners utilize contour lines to ensure that buildings are constructed in a way that is safe and sustainable, taking into account the natural landscape and drainage patterns.In outdoor activities, understanding contour lines can greatly enhance the experience. Hikers often rely on topographic maps that feature contour lines to navigate trails safely. By interpreting these lines, hikers can identify steep climbs or descents, which helps them prepare for the physical demands of their journey. Additionally, knowing the layout of the land can assist in finding suitable camping spots or water sources.To illustrate how contour lines work, consider a simple example: a hill. If you were to walk around a hill, the height of the hill would change as you move up or down its slope. By marking points of equal height on a map and connecting them with contour lines, you create a visual representation of the hill's shape. The closer together the contour lines are, the steeper the slope; conversely, if the lines are spaced further apart, the terrain is relatively flat.Moreover, contour lines can also indicate other geographical features. For instance, concentric circles of contour lines often signify a hill or a mountain peak, while V-shaped contour lines can indicate a valley or river. Understanding these patterns is vital for geographers and environmental scientists as they analyze landscapes and ecosystems.In conclusion, contour lines are more than just lines on a map; they are a fundamental element of understanding our world. They provide valuable information about the earth's surface, aiding in navigation, planning, and environmental analysis. As technology advances, the representation of contour lines has evolved, but their importance remains unchanged. Whether you are an avid hiker, a city planner, or simply someone interested in geography, mastering the concept of contour lines will undoubtedly enhance your appreciation of the landscape around you.

在地理和地形学的研究中，理解地形和海拔的最基本工具之一就是使用等高线。等高线是地图上连接相同海拔点的线。这意味着沿着每条等高线的每一点都与海平面保持相同的高度，这使我们能够可视化地形的坡度和陡峭程度。通过观察这些线，我们可以深入了解一个地区的物理特征，例如山脉、山谷和平原。等高线的重要性不仅限于制图；它们在城市规划、环境研究甚至户外活动如远足和山地骑行等多个领域都是至关重要的。例如，在规划新开发项目时，城市规划者利用等高线确保建筑物以安全和可持续的方式建造，考虑到自然地形和排水模式。在户外活动中，理解等高线可以大大提升体验。远足者通常依赖于具有等高线的地形图来安全导航小径。通过解读这些线，远足者可以识别陡峭的上坡或下坡，从而帮助他们为旅程的身体需求做好准备。此外，了解地形布局也有助于找到合适的露营地点或水源。为了说明等高线的工作原理，考虑一个简单的例子：一座山丘。如果你围绕一座山丘行走，随着你上下坡度，山丘的高度会变化。通过在地图上标记相同高度的点并用等高线连接它们，你创建了山丘形状的可视化表示。等高线越近，坡度越陡；反之，如果线之间的间距较大，则地形相对平坦。此外，等高线还可以指示其他地理特征。例如，等高线的同心圆通常表示山丘或山峰，而V形的等高线可以指示山谷或河流。理解这些模式对于地理学家和环境科学家在分析景观和生态系统时至关重要。总之，等高线不仅仅是地图上的线；它们是理解我们世界的基本元素。它们提供了关于地球表面的宝贵信息，帮助进行导航、规划和环境分析。随着科技的发展，等高线的表示形式已经演变，但其重要性始终未变。无论你是热爱远足的人、城市规划者，还是仅仅对地理感兴趣的人，掌握等高线的概念无疑会增强你对周围景观的欣赏。