16.侧柏立木二元材积表

V=0.000091972184D1.8639778H0.83156779(材积:m3)胸径(cm)树高(m)33.544.55456789101112131415161718192021220.0030.0050.0060.0090.0110.0140.0170.0200.0240.0270.0310.0360.0400.0450.0500.0550.0610.0670.0730.0030.0050.0070.0100.0130.0160.0190.0230.0270.0310.0360.0410.04 ......（本文共 4682 字 ）     [阅读本文] >>