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- occulation observation
- occultation
- occultation angle
- occultation band
- occultation curve
- occultation of planet
- occultation of satellite
- occultation of source
- occultation of star
- occultation photometric detection
- occultation time
- occultation variable
- occulting disk
- occulting mask
- occulting object
- occulting source
- occultor
- occult precipitation
- occult virus
- occupancy
- occupancy probability
- occupancy problem
- occupancy rate
- occupancy; site occupation factor (SOF)
- occupant density of exhibition hall