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double method
tech.
双重法
double method:
136 phrases
in 25 subjects
Agriculture
6
Animal husbandry
2
Automobiles
1
Biotechnology
1
Business
15
Chemistry
4
Commerce
1
Drilling
1
Economy
8
Electronics
3
Engineering geology
1
Finances
6
Genetics
2
Metallurgy
9
Microbiology
1
Oil / petroleum
12
Plastic surgery
1
Quality control and standards
1
Rail transport
2
Reproductive biology
1
Securities
1
Space
1
Technology
53
Telecommunications
2
Water resources
1
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