The model was used to evaluate consumers' purchasing decision, choosing three kinds of health products were selling in changchun region.
应用该模型对长春地区三种市售的保健品进行调查评判，研究该地区消费者的保健品购买决策。
The buffer action of different types of soil in Changchun region and the influence of the physical and chemical characters of soil on the soil buffer action were studied in a simulated experiment.
研究了长春地区主要类型土壤的缓冲性及土壤理化性质对土壤缓冲性的影响。
Thee Changchun and Changzhou are PLAN ships that patrol the Gulf of Aden, securing shipping lanes in the piracy-prone region.
长春号和常州号是中国海军在亚丁湾的巡逻船只， ， 目的是确保海盗活动区域的通行安全。
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