林业局总体设计是一项复杂的社会经济系统工程。
The overall design of a forestry bureau is a complex socioeconomic system engineering.
林业生态建设是一项宏伟的社会系统工程。
The forestry ecology construction is a magnificent social system engineering.
林业生态建设是一项宏伟的社会系统工程。
The forestry ecology construction is a magnificent social system engineering.
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