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to phrases
系统分组
busin.
block separation of system
commer.
systematical grouping
tech.
hierarchic classification
;
hierarchical classification
;
systematic grouping
系统分组
:
61 phrases
in 17 subjects
Agriculture
1
Aviation
5
Chemistry
3
Computer networks
1
Computers
1
Desert science
1
Earth sciences
1
Electronics
22
General
1
Information technology
2
Metallurgy
1
Refrigeration
1
Securities
1
Space
5
Statistics
2
Technology
11
Telecommunications
2
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