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种草种树,发展牧业,是西北地区改变面貌、治穷致富的根本大计,是开发大西北的重大战略问题。西北地区一个共同的突出
Planting trees and grazing grassland and developing animal husbandry are the fundamental plans for changing the face of the Northwest Territories and for treating poverty and becoming rich. It is also a major strategic issue for developing the northwest region. Northwest a common highlight