First the thesis discusses the concepts of forest certification and holds that the forest certification concepts are different for various certification systems.
本文首先讨论了森林认证的概念问题，提出不同体系的森林认证的概念是有区别的。
With the guiding of the system idea and the key elements, main sub - systems and optimal structure can DE identified. Finally, the system of forest certification will show its optimal function.
在系统思想指导下，找出我国森林认证的关键要素、主要子系统和最优结构，才能发挥森林认证体系的最佳功能。
With the guiding of the system idea and the key elements, main sub - systems and optimal structure can DE identified. Finally, the system of forest certification will show its optimal function.
在系统思想指导下，找出我国森林认证的关键要素、主要子系统和最优结构，才能发挥森林认证体系的最佳功能。
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