arable land occupation

Atmospheric occultation

Atomic level occupation probability

Atomic Site Occupation

Attitude of Occupation

Average Call Occupation time

balance of cultivated land occupation and compensa

balance of cultivated land’s occupation and compen

balance of cultivated land’s occupation and compensation in different region

bandwidth occupation

Beam occultation

beneficial occupation

Blind alley occupation

Boltzmann occupation factor

building occupation factor

building occupation permit

choose an occupation

circle of perpetual occultation

coefficient of building occupation

College of Environmental Protection Occupation Technique