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| temps d'activité (The entire duration of a timeline, including forward and backward iterations. For example, a timeline programmed to play forward and then backward, once, is active for twice the specified duration--once for the forward iteration and once again for the backward iteration) | |||
| durée d'activité | |||
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Active Time : 14 短语, 5 学科 |
| 一般 | 1 |
| 可靠性 | 3 |
| 统计数据 | 3 |
| 运输 | 1 |
| 通讯 | 6 |