一、等高线图的判读与应用用等高线表示的地形一般有山顶、山脊、山谷、鞍部、陡崖、缓坡、陡坡和洼地,但容易忽视的是利用等高线数值来判断山地、丘陵、高原等地形类型。(一)判读规律1.根据等高线地形图的数值(海拔高度)大致判断地形类型。①海拔在200米以下一般为平原。②海 I. Interpretation and Application of Contour Maps The terrain represented by contour lines generally includes peaks, ridges, valleys, saddles, cliffs, gentle slopes, steep slopes, and depressions. However, it is easy to overlook the use of contour values ​​to determine the mountains. Hilly, plateau and other terrain types. (I) Interpretation Rule 1. Based on the value of the contour map (altitude), approximately determine the terrain type. 1 It is generally plain below 200 meters above sea level. 2 sea