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中国的地理环境有自己的特点,在辽阔的疆域内呈现南北不同的特点。在东北的大兴安岭向东南,经陇山、邛崃山,到云南的滕冲一线,将中国分成两个不同的区域:这条线以东以南是农业发达的地区,人口集中;以北和以西则是草原和高地,穿插分布着小块的河谷和绿洲,面积占全国面积的60%以上,但人口相对稀少,主要是以游牧为生的民族,或半游牧、半农耕的民族。西部地区的河西走廊、天山以南连接着中国内地与中亚、西亚的咽喉和枢纽,在历史上一直发挥着沟通
China’s geographical environment has its own characteristics, showing different characteristics of North and South in the vast territory. Daxinganling to the southeast, the Longshan and the Qionglai Mountains to the Tengchong line in Yunnan divide the country into two distinct regions: the agricultural developed area south of the east of this line has a concentrated population; the north and the west Grasslands and highlands, interspersed with small valleys and oases, occupy more than 60% of the country’s area, but their population is relatively scarce, mainly of nomadic ethnic groups, or semi-nomadic and semi-agricultural peoples. The Hexi Corridor in the western region, to the south of Tianshan, connects the throat and hubs of mainland China with Central Asia and Western Asia and has historically been communicating