14.黄山松立木二元材积表

V=0.000062654183D1.9540699H0.88521176(材积:m3)胸径(cm)树高(m)33.544.554567891011120.0020.0040.0050.0070.0100.0120.0150.0180.0210.0030.0040.0060.0090.0110.0140.0170.0210.0240.0030.0050.0070.0100.0120.0160.0190.0230.0270.0040.0060.0080.0110.0140.0170.0210.0260.03 ......（本文共 5003 字 ）     [阅读本文]>>