秦岭横貫于我国中部,跨越青、甘、陝、豫西及鄂西北广大地区,是我国长江黄河两大水系中游的分水岭。东西长达1,500公里,南北平均寬約200公里,它由一系列的山脉組成。解放以前数十年,这一巨大山系的地貭构造問題已引起中外学者的注意,解放后,随着国民經济建設的飞跃发展,对秦岭地区开展了規 The Qinling Mountains run across central China across the vast areas of Qinghai, Gansu, Shaanxi, western Henan and western Hubei and serve as a watershed in the middle reaches of the two major Yellow River and Yellow River systems in the country. It’s 1,500 km east-west and 200 km south-north on average. It consists of a series of mountains. In the decades prior to the liberation, the issue of the geodu structure of this huge mountain system has drawn the attention of Chinese and foreign scholars. After the liberation, with the rapid development of the national economy,