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laboratory system
earth.sc. 实验室〔坐标〕系统
el. 实验室系统
geol. 实验室坐标系统
tech. 实验室系; 语音教室每位一台录音机; 电化教屋
laboratory coordinate system
chem. 实验室坐标
laboratory system: 85 phrases in 13 subjects
Air defense2
Aviation25
Earth sciences11
Electronics22
General2
Geology2
Information technology1
Nautical3
Navigation1
Space9
Technology4
Textile industry1
United States2