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研究试验 yánjiū shìyàn
chem. experiment conducted for research purpose
met. research trial
space research test
tech. development test
研究试验 research
chem. trial
研 究试验: 160 phrases in 33 subjects
Advertising1
Air defense1
Aviation22
Bridge construction3
Business6
Chemistry1
Compressors1
Dermatology1
Earth sciences24
Ecology1
Economy2
Electronics7
Engineering geology1
Exhibitions1
Finances3
General11
Hydroelectric power stations2
Information technology1
Management1
Metallurgy14
Mining1
Name of organization3
Navigation1
Nuclear physics1
Oil / petroleum2
Oil processing plants1
Plastics5
Refrigeration1
Shipbuilding3
Space16
Technology20
Textile industry1
United States1