在采伐作业设计和伐后验收的蓄积计算上应采用相同的计算方法或编制区域性根径一元材积表，以减少误差。
It should use the same volume calculation method or make one way volume table for felling design and acceptance after felling to reduce errors.
给出了按不同的区分方法和求积算法计算树干材积的方法、程序及相应的材积误差率。
It shows the methods to calculate the trunk volume by different sectional ways and product calculation methods and programs, as well as relevant error ratios of timber volume.
系统是依照商品重量计算，若包装后材积超出重量计算太多客服再联系修正运费。
Weight is calculated in accordance with the system, after packing volume exceeded if too much weight correction then contact customer service shipping.
与实际树高相比，重建树高中最大误差是4.4%，最小误差为0.7%，在此基础上计算的材积最大、最小误差分别是4.7%和2.1%。
Compared the evaluated height with the true tree height, the errors were within 0.7% to 4.4%, and consequently the errors of volume between 2.1% and 4.7%.
与实际树高相比，重建树高中最大误差是4.4%，最小误差为0.7%，在此基础上计算的材积最大、最小误差分别是4.7%和2.1%。
Compared the evaluated height with the true tree height, the errors were within 0.7% to 4.4%, and consequently the errors of volume between 2.1% and 4.7%.
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