contour line

简明释义

等高线;等深线

英英释义

例句

1.The contour line 等高线 on this terrain map helps hikers navigate the area.

这张地形图上的contour line 等高线帮助远足者在该地区导航。

2.By analyzing the contour line 等高线, we can predict water flow in the landscape.

通过分析contour line 等高线，我们可以预测水流在地形中的走向。

3.The contour line 等高线 indicates that there is a valley between these two hills.

这条contour line 等高线表明这两个山丘之间有一个山谷。

4.In geography class, we learned how to read a contour line 等高线 to determine the steepness of a slope.

在地理课上，我们学习了如何阅读contour line 等高线来判断坡度的陡峭程度。

5.The map shows the contour line 等高线 indicating the elevation of the mountain.

这张地图显示了表示山脉海拔的contour line 等高线。

作文

Understanding the concept of a contour line is essential for anyone studying geography, cartography, or even landscape design. 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 provide critical information about the terrain's shape and slope, helping to visualize the three-dimensional landscape on a two-dimensional surface. In topographical maps, contour lines play a crucial role in illustrating the features of the land. When the lines are close together, it indicates a steep slope, whereas lines that are spaced further apart signify a gentler slope. This information is vital for hikers, engineers, and urban planners who need to understand the landscape they are working with. For instance, when planning a hiking trail, knowing where the steep areas are can help in designing a safer and more enjoyable route. Moreover, contour lines are not only useful for outdoor activities but also for agricultural purposes. Farmers use these lines to determine how water will flow across their fields. By understanding the elevation changes indicated by contour lines, they can implement effective irrigation systems that minimize water runoff and maximize crop yield. In addition to practical applications, contour lines also have aesthetic value in art and design. Artists often use contour lines to create depth and dimension in their work. The technique of contour drawing, which involves sketching the outline of a subject without lifting the pencil, relies heavily on the understanding of how lines can represent form and space. Furthermore, contour lines can be found in various scientific fields. In geology, they help depict the structure of the Earth’s surface, showing how different rock layers are positioned. In meteorology, contour lines on weather maps indicate areas of equal atmospheric pressure, assisting in forecasting weather patterns. In conclusion, the significance of contour lines extends beyond mere cartography. They are a fundamental aspect of understanding our environment, influencing everything from hiking routes to agricultural practices and even artistic expressions. By mastering the interpretation of contour lines, individuals can gain a deeper appreciation for the complexities of the world around them. Whether you are an aspiring geographer, a farmer, an artist, or simply someone who enjoys exploring nature, recognizing the importance of contour lines will enhance your understanding and interaction with the landscape.

理解等高线的概念对于任何学习地理、制图或甚至景观设计的人来说都是至关重要的。等高线被定义为在地图上连接相同海拔高度点的线，如海平面。这些线提供了有关地形形状和坡度的重要信息，帮助在二维表面上可视化三维景观。在地形图中，等高线在描绘土地特征方面发挥着关键作用。当线条靠得很近时，表示陡坡，而间隔较大的线条则表示较缓的坡度。这些信息对徒步旅行者、工程师和城市规划者至关重要，他们需要了解自己所处的地形。例如，在规划徒步旅行路线时，了解陡峭区域的位置可以帮助设计更安全、更愉快的路线。此外，等高线不仅对户外活动有用，也对农业有重要意义。农民利用这些线来确定水流在田地上的流动方式。通过理解等高线所表示的海拔变化，他们可以实施有效的灌溉系统，从而最小化水流失并最大化作物产量。除了实际应用之外，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来创造作品中的深度和维度。等高线素描技巧，即在不抬起铅笔的情况下勾勒出主题的轮廓，严重依赖于如何利用线条表现形状和空间。此外，等高线还可以在各种科学领域中找到。在地质学中，它们帮助描绘地球表面的结构，显示不同岩层的排列。在气象学中，天气图上的等高线表示相同大气压力区域，有助于预测天气模式。总之，等高线的重要性超越了单纯的制图。它们是理解我们环境的基本方面，影响从徒步路线到农业实践，甚至艺术表达的一切。通过掌握等高线的解读，个人可以更深入地欣赏周围世界的复杂性。无论你是一个有抱负的地理学家、农民、艺术家，还是只是一个喜欢探索自然的人，认识到等高线的重要性将提升你对景观的理解和互动。