Objective To research the viscoelasticity of the cancellous bones of the OS femoris' upper part of the fresh body of our country and provide parameter of biomass for clinical.
目的研究正常国人新鲜尸体股骨上端松质骨的拉伸粘弹性力学性质，为临床提供生物力学参数。
Vertical allocation of total biomass and trunk biomass showed a pyramid pattern, but that of branch and leaf biomass distributed mainly in the middle and upper part of the crown.
林分总生物量及树干生物量随高度分布呈金字塔型，枝、叶生物量主要集中分布在树冠中上部；
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