active parallel redundancy

parallel attack＝ parallel method＝parallel fire suppression

abstraction redundancy

acoustic redundancy

active redundancy

active redundancy pipeline

Actuation redundancy

Actuator redundancy

additional cycle redundancy check

canonical redundancy analysis

CRC redundancy check

Crossing Redundancy

cycle redundancy check

cyclic redundancy character

cyclic redundancy check

cyclic redundancy check character

Cyclic redundancy check CRC

cyclical redundancy check CRC

Data redundancy