断面积生长预估是林分生长和收获预估体系中的核心因子和基础。
The basal growth prediction is a kernel factor and foundation in the model system of stand growth and yield prediction.
断面积生长间伐效应模型的研究是林分生长和收获预估模型体系研究摘要的核心内容。
Models on thinning effects on basal growth prediction are the kernel of the model system of stand growth and yield prediction.
另外，对杉木不同初植密度下林分断面积、蓄积和生物量的生长过程进行了分析和模型拟合。
In addition, the paper analyzed and simulated growth process of stand basal area, volume and biomass under different initial planting density for Cunninghamia lanceolate, plantation.
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