二级地区主要分布在质量好区域的南部边缘、东部以及武川盆地及其北部；
Second class areas were mainly distributed in the southern edge of the region, eastern region, Wuchuan basin and its northern areas;
本论文以内蒙古自治区中部武川县为例，分析了当地农业经济特征及农村奶牛养殖业现状。
This paper discusses the agricultural economic features and the present situation of dairy farming based on a case study at WuChuan county located in central Inner Mongolia.
在内蒙古乌兰察布盟后山地区武川原种基地，对各级种薯生产技术及其良繁体系进行了系统的研究。
The systematic research on seed potatoes has been carried out in Wuchuan potato elite base of northern Daqing mountain of Ulangab League of Inner Mongolia.
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