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数据卡片 | |||
资料卡片; 数据卡 | |||
数据卡升穿孔卡片 |
data card : 31 phrases in 12 subjects |
Automobiles | 1 |
Aviation | 8 |
Business | 1 |
Computers | 1 |
Earth sciences | 3 |
Electric machinery | 1 |
Electronics | 4 |
Geophysics | 1 |
Information technology | 2 |
Mathematics | 1 |
Space | 1 |
Technology | 7 |