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group study
tech.	群组调查研究

group study : 59 phrases in 24 subjects

Animal husbandry	1
Aviation	6
Bridge construction	1
Business	2
Chemistry	1
China	2
Earth sciences	9
Economics	1
Education	1
Electronics	6
Environment	1
Exhibitions	1
Foreign trade	2
General	3
International trade	2
Law	4
Librarianship	1
Name of organization	7
Navigation	1
Public security	1
Space	2
Telecommunications	1
Textile industry	1
United States	2