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土系
soil.	series; soil series

土系: 331 phrases in 34 subjects

Agriculture	22
Air defense	2
Animal husbandry	1
Aviation	3
Bridge construction	12
Cartography	1
Chemistry	1
China	1
Construction	1
Desert science	25
Drilling	2
Earth sciences	56
Ecology	13
Economy	3
Electronics	7
Engineering geology	4
Environment	1
Explosives and Explosive Ordnance Disposal	3
General	1
Horticulture	1
Hydroelectric power stations	15
Information technology	1
Metallurgy	3
Name of organization	1
Nautical	1
Oil / petroleum	2
Rail transport	1
Soil science	12
Space	3
Statistics	1
Technology	122
United Nations	4
Water resources	3
Zoology	2