The main difficulties the nursing staffs faced when unfolding scientific research are lack of ability to do scientific design and scientific topic selection.
护理人员开展护理科研的困难主要是缺乏科研设计和选题的能力。
Associating with real necessity of topic selection in graduation design, evaluation correlation function and topological mathematical model are established by matter element theory.
结合高校毕业设计选题的实际需要，利用物元理论，建立了基于毕业设计选题评价的关联函数和可拓评判的数学模型。
Associating with real necessity of topic selection in graduation design, evaluation correlation function and topological mathematical model are established by matter element theory.
结合高校毕业设计选题的实际需要，利用物元理论，建立了基于毕业设计选题评价的关联函数和可拓评判的数学模型。
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