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observation system stresses
O&G, sakh.	система наблюдений (OS)
sec.sys.	система виденаблюдения
telecom.	система наблюдения

Observation System : 107 phrases in 23 subjects

Abbreviation	1
Air defense	5
Astronautics	12
Caspian	2
Ecology	2
Energy industry	2
General	2
Information security and data protection	1
Makarov	1
Medical appliances	1
Meteorology	1
Military	55
Mining	1
Name of organization	1
Natural resourses and wildlife conservation	1
Oceanography & oceanology	1
Radioengineering	4
Sakhalin	1
Security systems	2
Space	2
Technology	6
Telecommunications	2
United Nations	1