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restriction system | |||
limit system |
限制 系统 : 37 phrases in 14 subjects |
Agriculture | 7 |
Air defense | 1 |
Animal husbandry | 1 |
Automobiles | 1 |
Aviation | 5 |
Biotechnology | 3 |
Business | 2 |
Chemistry | 1 |
Electronics | 3 |
Genetics | 3 |
Space | 3 |
Technology | 5 |
Telecommunications | 1 |
United States | 1 |