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准备标准
avia.
standard off preparation
准备 标准
:
161 phrases
in 29 subjects
Agriculture
3
Automobiles
4
Aviation
22
Business
11
Chemistry
2
Climatology
2
Commerce
3
Computers
1
Consulting
2
Corporate governance
1
Earth sciences
4
Economy
6
Electric machinery
1
Electronics
24
Footwear
1
General
4
Information technology
1
International trade
3
Management
3
Mechanics
1
Metallurgy
3
Oil / petroleum
1
Project management
2
Securities
1
Space
10
Sports
1
Technology
35
Telecommunications
1
United Nations
8
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