This dissertation shows how to calculate the net output of forest management with product and distributive approach.
本文探讨用生产法和分配法计算林业净产值。
The utility model has the advantages of few working hours for netting, low cost, high net output and few accidents; the resources of Marine products can be protected.
本实用新型成网工时少造价低，网产高事故少，保护海产资源。
The utility model has the advantages of few working hours for netting, low cost, high net output and few accidents; the resources of Marine products can be protected.
本实用新型成网工时少造价低，网产高事故少，保护海产资源。
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