Thus it is necessary to research the compensation mechanism of forestry ecological benefit.
于是，森林生态效益补偿机制的研究便成为必要。
For the sake of ecological benefit of forestry resources, the external economy of forestry production must be adjusted by adopting state-oriented contract or agent-oriented contract system.
必须对森林资源的生态效益实施国家定向合同购买或代理（社会）合同购买的办法来校正林业生产的外部性。
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