Based on detailed analysis of the advance for ecosystem service function and its value assessment, the connotation and definition of Marine ecosystem is discussed.
本文在系统分析生态系统服务功能及价值评估的研究进展基础上，探讨了海洋生态系统服务功能的内涵。
Thinking heterogeneous constructivism has not formed for the definition of constructivism, connotation, and so common understanding.
建构主义思想庞杂，至今没有形成对于建构主义的定义、内涵等的统一认识。
The brief analysis of brand theory, the connotation and denotation of the brand definition, the inscapes of the media brand are dealt with in this part.
然后对品牌理论做了简单梳理，界定了传媒品牌的内涵和外延，并分析了传媒品牌的构成要素。
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