1) gap of supply and demand
供求差距
5) the balance of supply and demand method
供求差额法
1.
Based on the characteristics of forestry,the balance of supply and demand method,the method of direct research and the method of matter quantity are proposed as some applicable methods on estimating the non-observed forestry economy.
文章结合林业行业的自身特点,认为供求差额法、直接调查法、物量投入分析法是估算未观测林业经济规模的适用方法,并运用供求差额法估算2005年我国未观测木材采运活动规模约为268。
补充资料:供求
供给和需求(多指商品):~关系ㄧ调剂物资,使~平衡。
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