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等值线图的判读

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等值线图的判读

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等值线图的判读


                                                                                                                                                                                                  
                      比例尺相同,等高线疏密一致,  等高距越大 → 坡度越大                                                                                 
                            等高距不同              等高距越小 → 坡度越小                                                                
 不同等高线地形图                                                                                                 
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