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| 电子飞越时间 | |||
| 电子跃迁［渡越］时间 | |||
| 电子渡越［飞越］时间 | |||
| 电子跃迁时间 | |||
| 电子渡越时间 | |||
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electron transit time : 1 phrase in 1 subject |
| Shipbuilding | 1 |
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