ENEnglisch Wörterbuch 6501 bis 6550
- operator identification code
- operator recall
- operating panel
- operator control panel
- operation and maintenance
- operator's console typewriter
- operating system
- operation cycle time
- off-hook signal
- obstruction fading
- official network
- optionally
- observation error
- overranging
- obtainment
- occupation state
- occupation probability
- ordering information
- ordering guide
