8.刺槐人工林立木二元材积表

V=0.000071182290D1.9414874H0.81487080(材积:m3)胸径(cm)树高(m)33.544.55456789100.0030.0040.0060.0080.0100.0120.0150.0030.0040.0060.0090.0110.0140.0170.0030.0050.0070.0100.0120.0160.0190.0040.0060.0080.0110.0140.0170.0210.0040.0060.0090.0120.0150.0190.023胸径(cm)树高 ......（本文共 5241 字 ）     [阅读本文] >>