6、010027.980027.940027.960028.020028.000027.930027.950027.9000=0.05800.03800.0080-0.0320-0.01200.04800.0280-0.0420-0.0220-0.0720D=0.12>所系系统存在线性系统误差阿贝—赫梅特准则A=0.0047=0.00166A=0.0047<=0.0054系统中不存在周期性系统误差2.5①要求的概率,已知标准差=1.5经过标准正态分布变换,,,=1.8667≈1.87经过查表可知φ(x) x 00.010.020.030.040.0