分极标准木造材法出材量指标是调查设计中的重要指标之一，其准确与否直接影响财务收支计划。而材种出材量受树木大小和材质等因素的影响，林分平均标准木不可能代表大径阶或小径阶树木的出材量，同等大小的树木，由于病腐、弯曲、枝节等材质状况的不同，其出材量也会有很... Extremely standard timber law is the amount of timber production survey design an important indicator of its accuracy or not directly affect the financial revenue and expenditure plan. The species of timber by the tree size and material quality and other factors, the average standard wood stand can not represent the diameter of the order or small diameter tree timber, the same size of the trees, due to rot, bending, branches and other materials Different conditions, the amount of its material will be very ...