1.To construct theory system and do researches on practical problems are the two dimensions of the library science research.
构建理论体系与研究现实问题是图书馆学研究中不可或缺的两个维度。
2.However, it should be thoughtful to select mathematical function and to construct theory model based on cobalt crust deposit.
但是，在选择计算方法和建立理论模型时必须针对大洋钴结壳资源这一特殊矿床特别对待。
3.Methods To construct theory models and analyse by example.
方法建立理论模型并通过实例进行分析。
4.New Development in Management Construct Theory of Dealing Cost Economics
交易成本经济学治理结构理论新进展