15.杉木立木二元材积表

V=0.000058777042D1.9699831H0.89646157(材积:m3)胸径(cm)树高(m)33.544.55456789100.0020.0040.0050.0070.0090.0120.0150.0030.0040.0060.0080.0110.0140.0170.0030.0050.0070.0090.0120.0150.0190.0030.0050.0080.0100.0140.0170.0210.0040.0060.0080.0110.0150.0190.023胸径(cm)树高 ......（本文共 5098 字 ）     [阅读本文] >>