正形数
- 网络normal form factor
正形数-
用正形数胸高形数和经验回归方程编制人工林立木材积表
Construction the volume table with the normal form factor , the breast height form factor and the experimental regression formula
-
本文从相对干形和正形数的变化规律、立木求积、林分蓄积计算等方面，综述了相对干形理论及其应用的研究成果。
A general review of the theory of relative stem form and its application is given based on the variation law of relative stem and normal form factor , calculation of standing volume and standing stock , etc.
-
正形数系列变化规律的初步研究
A preliminary study on change law of a series of normal form factor
-
带、去皮正形数系列之间的变化规律及应用
The Change Law of a Series of Normal Form Factors Between O.B and U. B and Its Application