0.5单位修约:Ñ
5³ùú»bbs.3c3t.comÌÛ!KkJî\
将拟修约数值A,乘以2,按指定的修约间隔对2A进行修约,再除以2;如“修约到个位数的0.5单位” 60.25---X2=120.5---修约到个位120--÷2=60.0后面的“.0”必须保留,不能是“60”沥青软化点试验,先算平均值,再2倍修约,再除以2Ñ
5³ùú»bbs.3c3t.comÌÛ!KkJî\
A中40.75*2=81.5修约为81/2=40.5Ñ
5³ùú»bbs.3c3t.comÌÛ!KkJî\