17.落叶松人工林立木二元材积表

V=0.000053403288D1.8080721H1.0724207(材积:m3)胸径(cm)树高(m)33.544.55456780.0020.0030.0040.0060.0070.0030.0040.0050.0070.0090.0030.0040.0060.0080.0100.0030.0050.0070.0090.0120.0040.0060.0080.0100.013胸径(cm)树高(m)5.566.577.54567891011121314150.0040.0060.0080.0110. ......（本文共 5044 字 ）     [阅读本文]>>