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second level

busin. 二级; 次水平
second-level
commer. 第二层的
tech. 二级的
second -level
: 50 phrases in 20 subjects
Automated equipment1
Automobiles1
Aviation2
Chemistry2
China1
Commerce2
Construction1
Economics2
Electronics9
General1
Information technology3
Life sciences1
Management2
Multimedia1
Name of organization2
Polygraphy1
Space1
Technology13
Telecommunications2
Textile industry2