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refraction seismic prospecting
eng.geol.	折射法地震勘探
expl.	折射波法地震勘探利用地震折射波在岩、煤层内的传播规律，确定地下折射界面的深度及其性质，以解决地质问题的物探方法
tech.	折射地震勘探

refraction: 432 phrases in 35 subjects

Agriculture	7
Air defense	5
Architecture	4
Aviation	4
Bridge construction	2
Chemistry	5
Communications	1
Computers	1
Construction	1
Desert science	3
Earth sciences	6
Electronics	10
Engineering geology	8
Explosives and Explosive Ordnance Disposal	12
General	3
Geology	1
Geophysics	8
Hydroelectric power stations	4
Information technology	2
Jewelry	1
Life sciences	2
Metallurgy	12
Nautical	1
Nursing	4
Oil / petroleum	51
Plastics	2
Polymers	3
Remote sensing	2
Soil science	1
Space	44
Technology	214
Telecommunications	4
Textile industry	1
United Nations	2
Wind Energy	1