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(一)林产加工业,始于森林资源,是森林资源制约型产业,在整个投入产出链中,存在着层层、环环的资源供给制约关系;既有质的适应关系,更有量的比例关系,如果质量不适应,比例不协调,必然产生资源制约性故障,这为纵向制约;而森林资湃在生态环境和人类社会经济结构中的特殊功能,更使得森林资源的利用,和林产加工业的发展受到社会的制约,这是横向制约。这两种制约纵横交织,决定了林产加工业发展既无法单纯追求经济效益,
(I) The forest products processing industry starts from the forest resources and is a forest resource constrained industry. In the entire input-output chain, there exist layers of supply and supply constraints of the ring; Of the proportion of relations, if the quality does not meet, the proportion of uncoordinated, resource constraints will inevitably produce failure, which is vertical constraints; and forest resources in the ecological environment and human social and economic structure of the special functions, but also makes the use of forest resources, and The development of forest products processing industry is subject to social constraints, which is a horizontal constraint. These two kinds of constraints criss-cross, decided the development of forest products processing industry can not simply pursue economic benefits,