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参考系统
eng.geol. frame of reference
IT reference system
参考 系统
: 127 phrases in 25 subjects
Agriculture1
Air defense2
Artificial intelligence2
Automobiles1
Aviation39
Business1
Communications1
Computer networks2
Desert science2
Drilling1
Earth sciences10
Electronics15
Finances1
Fishery fishing industry1
Geology1
Geophysics6
Information technology2
Librarianship2
Oil / petroleum3
Project management1
Securities1
Space14
Statistics1
Technology11
Telecommunications6

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