1) variable biomass expansion factor function(variable BEFF)
生物量换算因子连续函数
1.
Based on data from the continuous forest inventories(CFI) in 1994,1999 and 2004,the forest biomass and the net primary production(NPP) of Zhejiang Province was estimated with the variable biomass expansion factor function(variable BEFF) method that is derived from the relationship between biomass and volume.
基于1994,1999和2004年浙江省森林资源连续清查数据,采用基于生物量与蓄积之间关系的生物量换算因子连续函数法,对浙江省森林生物量和生产力进行估计。
2) Variable Biomass Expansion Factor(VBEF)
生物量转换因子连续函数
3) biomass expansion factor function
转换因子连续函数法
1.
Based on the observation data obtained from 69 sampling sites of different age class forests, and by using biomass expansion factor function, the regression equations of stand biomass and volume of the main forest types in Pearl River Delta were built, and the regional forest biomass and its dynamics were estimated on the basis of forest inventory data.
利用生物量转换因子连续函数法,通过69组不同龄级的森林样地实测数据,拟合了珠江三角洲主要森林类型的生物量和蓄积量之间的回归方程,并结合3个时段森林清查资料,估算了区域森林生物量及其动态。
4) biomass expansion factor (BEF)
生物量换算因子
5) Forest carbon and its change
换算因子的连续变化
6) bi-continuous cosine operator function
双连续余弦算子函数
1.
This paper aims to introduce the concept of bi-continuous cosine operator functions on some special Banach spaces,investigate the properties of bi-continuous cosine operator functions and obtain the generation theorem.
‖)和局部凸拓扑(X,τ)的Banach空间上,同时引入了双连续余弦算子函数的概念,通过研究生成元及其预解式的性质,我们得到了双连续余弦算子函数的生成定理。
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