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development standard
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tech.
发育标准
development standard
:
20 phrases
in 15 subjects
Aviation
2
China
1
Commerce
1
Earth sciences
1
Electronics
1
Food service and catering
1
General
2
Librarianship
1
Metallurgy
2
Multimedia
1
Name of organization
1
Photography
1
Project management
1
Technology
3
United Nations
1
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