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计算机操作系统
agric.
computer operating system
corp.gov.
computer operation system
计算机操作系统
:
53 phrases
in 14 subjects
Agriculture
2
Air defense
3
Automobiles
1
Aviation
12
Earth sciences
1
Electronics
17
General
1
Information technology
2
Multimedia
1
Project management
2
Space
6
Technology
1
Telecommunications
3
Textile industry
1
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