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| 接通时间; 接入时间 | |||
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| 导通时间 | |||
| 开机时间; 接通时间 | |||
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turn on time : 13 phrases in 5 subjects |
| Air defense | 1 |
| Electronics | 3 |
| Information technology | 3 |
| Space | 2 |
| Technology | 4 |
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