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| tiempo activo | |||
| tiempo de actividad (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) | |||
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active time : 12 phrases in 4 subjects |
| Communications | 5 |
| General | 1 |
| Reliability | 3 |
| Statistics | 3 |