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to phrases
变元
biànyuán
busin.
change of variables
math.
argument
space
variable
变元〔项〕
biànyuán
gen.
pronumeral
变 元
:
227 phrases
in 36 subjects
Agriculture
2
Air defense
1
Architecture
1
Artificial intelligence
3
Automatic control
2
Automobiles
3
Business
9
Commerce
2
Computer networks
3
Construction
1
Desert science
1
Earth sciences
3
Economy
7
Electric machinery
3
Electronics
21
Engineering geology
2
Explosives and Explosive Ordnance Disposal
3
Finances
5
General
10
Hydroelectric power stations
1
Information technology
17
International trade
3
Life sciences
1
Marketing
1
Mechanics
1
Metallurgy
6
Mining
1
Nuclear physics
1
Oil / petroleum
5
Project management
1
Securities
2
Shipbuilding
1
Space
10
Statistics
2
Technology
84
Telecommunications
8
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