The important point here is that you can choose to define indexes as DPSIs without losing that index's aptitude for sort avoidance, including the sort avoidance required for DYNAMIC SCROLL cursors.
Principle of fuzzy obstacle avoidance is analyzed and obstacle avoidance method is established based on fuzzy logic control according to the experience of peoples driving.
Damping was correlated with patience, phase position was correlated with avoidance, indicating that frequency, patience and avoidance were three resistance factors.