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测试结构 | |||
试验结构 |
test structure : 30 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 6 |
Bridge construction | 1 |
Electricity | 1 |
Electronics | 3 |
Hydroelectric power stations | 1 |
Information technology | 1 |
Navigation | 1 |
Road construction | 1 |
Shipbuilding | 1 |
Space | 11 |
Technology | 2 |