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to phrases
research, development and test
earth.sc.
研究、开发和试验
English thesaurus
Research, Development, and Test
mil., abbr.
RDT
research, development and test
:
27 phrases
in 9 subjects
Aviation
4
Business
4
Earth sciences
4
Economy
1
Electronics
1
General
2
Information technology
2
Plastics
1
Space
8
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