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| 11. | vertical timing relationship |
| 垂直计时关系 |
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| 12. | timing track circuit |
| 计时轨道电路 |
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| 13. | accumulative timing |
| 积累计时法 |
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| 14. | timing impulse generator |
| 计时脉冲发生器 |
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| 15. | asynchronous timing |
| 异步计时法 |
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| 16. | network protocol timing |
| 网络协议计时 |
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| 17. | timing electronics |
| 计时电子学设备 |
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| 18. | timing current switch |
| 计时电流开关 |
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| 19. | acoustic timing machine |
| 声音计时机构 |
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| 20. | self-timing anemometer |
| 自动计时风速计 |
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