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数字式导航
| 计算机
| 数字式导航 | |
| cartogr. | digital navigation |
| EDSAC 计算机 | |
| space | electronic discrete sequential automatic computer |
| Web 计算机 | |
| IT | Web PC |
| 计算机 | |
| gen. | calculator |
| hydroel.st. | computer; calculating machine; computing machine |
| math. | brain; calculating machine; counting machine |
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| digital navigation | |||
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数字式导航 : 9 phrases in 4 subjects |
| Air defense | 1 |
| Aviation | 5 |
| Space | 1 |
| Technology | 2 |
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