In this paper, the grey model groups of 10 ecosystems of the world is established by the grey theory and the world ecosystem of 2000 is also predicted.
本文利用灰色原理，建立了世界十大生态系统的灰色模型群，并对2000年进行了预测。
The theory of ecosystem services can be used to quantify the economic valuation of services supplied by ecosystems.
生态系统服务功能价值理论可定量估算各类生态系统为人类提供服务的经济价值。
And the further development of the games theory makes it new tools widely used in economics field, so new thoughts of business ecosystems are advanced in the view of games theory.
与此同时博弈理论的长足发展使其成为经济学中广泛应用的工具，也为我们研究商业生态系统提供了新的思路。
The concept of business ecosystems is raised to settle those dilemmas with the help of natural ecosystems and general system theory.
由于商业生态系统的提出，商业网络研究中遇到的许多瓶颈问题迎刃而解。
The concept of business ecosystems is raised to settle those dilemmas with the help of natural ecosystems and general system theory.
由于商业生态系统的提出，商业网络研究中遇到的许多瓶颈问题迎刃而解。
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