张宣
张宣-
张宣幔枝构造成矿与深部找矿潜力分析
Study on Mineralization and Ore Potentialities in the Depth for Zhangjiakou-Xuanhua Mantle Branch Structure
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张宣幔枝构造的成矿作用研究
Metallogeny in Zhangjiakou Xuanhua mantle branch structure
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本文测定了46头奶牛血液某些生化指标，为张宣两地制订奶牛饲养标准和进行科学饲养管理提供依据，以保障奶牛的健康和高产。
Several blood biochemical indexes of 46 Cows were detected . Evidence was supplied for making feeding standard and scientific feeding management and being sure the health and high & production , of cows in Zhangjiakou region .