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scientific problem stresses
tech.	научная проблема

Scientific Problems : 33 phrases in 17 subjects

Astronautics	2
Ecology	3
Energy industry	1
Information technology	1
Makarov	3
Mathematics	1
Medical	2
Military	1
Oil and gas	3
Politics	3
Programming	3
Research and development	1
Scientific	2
Soviet	3
Space	1
Technology	2
Water supply	1