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原始层{土壤}
agric.
initial layer
原始层
:
50 phrases
in 15 subjects
Agriculture
7
Artificial intelligence
1
Desert science
4
Drilling
3
Earth sciences
1
Engineering geology
5
Explosives and Explosive Ordnance Disposal
1
Forestry
1
General
1
Geophysics
2
Life sciences
4
Mining
1
Oil / petroleum
8
Reproductive biology
1
Technology
10
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