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calculator | |||
electric calculator | |||
electronic calculator | |||
electronic slide rule | |||
electron calculating machine; electronic counter | |||
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electric calculator |
电子 计算器 : 27 phrases in 12 subjects |
Aviation | 1 |
Business | 4 |
Earth sciences | 1 |
Electronics | 6 |
General | 3 |
Geophysics | 1 |
Mathematics | 3 |
Military | 1 |
Oil processing plants | 1 |
Project management | 1 |
Space | 1 |
Technology | 4 |