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。
Based on detailed analysis of the advance for ecosystem service function and its value assessment, the connotation and definition of Marine ecosystem is discussed.
运用系统分析的理论与方法，分析了中国水生态系统的特征及各组分间的相互作用，建立了中国水安全动态模型。
China water security dynamic model were built up based on the systematical analyses of characteristics and their inter relationship of sub systems of water resource system in China.
在这个基础上，系统分析了过程工业开发生态系统的特征以及过程工业开发战略的特点；
On this base, we systematically analyze the ecosystem characteristics as well as the strategy characteristics of process industrial exploitation;
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