Ключевые слова:
Data processing, Data recording, Digital recording methods, Dimensions, Flexible disks, Information exchange, Interchangeability, Magnetic disks, Servosystems, Position control, Design, Magnetic recording, Testing conditions, Recording characteristics, Data layout, Recording tracks, Position, Optical measurement, Transmittance, Test equipment, Circuits, Marking, Torque, Thermal expansion, Expansion (deformation), Rejects, Hubs, Approval testing, Width measurement, Electrical wave measurement, Frequency measurement