From the slips,we could see that the slaves were registered as the property or the attachment to their hosts but not as person in the household register,which was correlated to the slaves status characteristic-half person and half property.

The effect of turbulent disturbance on the behavior of decoupling control in case of an aircraft penetrating at low level by using TF/TA technologies and control and its riding quality of the pilot are studied by pilot-vehicle semi-physical simulation technique.