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development test
auto. 研制开发试验
avia. 研制试验 (初样阶段的)
space 研制试验
tech. 新产品试验; 研究试验; 试制品试验; 试采井
wind. 研究实验
development & test
earth.sc. 开发和实验
development test: 108 phrases in 17 subjects
Air defense1
Aviation44
Business6
Construction1
Consulting1
Earth sciences8
Economy2
Electronics7
General2
Information technology3
Metallurgy2
Nursing1
Plastics1
Shipbuilding1
Space24
Technology3
United States1