... 生物平衡：biological balance;biological equilibrium;biotic balance 生物量塔：pyramid of biomass 生物量热法：biocalorimetry ...
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The stem biomass of Pinus in the pure forest was of pyramid shape and the deadwood biomass accounted for 1.75%, but 4.20% in the mixed forest.
纯林中马尾松的干生物量基本上为金字塔形，枯枝生物量所占比例为1.75%，而混交林中为4.20%。
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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