English ⇄ Chinese German Russian +

system code
libr.	系统代码
tech.	系统码

system code : 76 phrases in 19 subjects

Air defense	2
Automobiles	1
Aviation	5
Business	2
Commerce	1
Computer numerical control	2
Computers	1
Earth sciences	1
Economics	2
Electronics	11
Geophysics	1
Information technology	6
Logistics	2
Nautical	4
Project management	2
Space	8
Technology	19
Telecommunications	5
Textile industry	1