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operational support
avia. 操作支援; 使用保障
econ. 业务支持
mil., air.def. 作战支援
space 作战保障[支援]
operational support
: 38 phrases in 10 subjects
Aviation9
Business1
Corporate governance2
Cryptography1
Earth sciences1
Electronics10
Information technology1
Space10
Technology2
United Nations1