Research Article
[Retracted] Computer Aided Teaching System Based on Artificial Intelligence in Football Teaching and Training
Table 3
Usage of players' mobile smart terminals.
| Time slot | Number of people | Percentage (%) |
| Half an hour or less | 7 | 16.28 | Half an hour to one hour | 9 | 20.93 | One to two hours | 11 | 25.58 | Two to three hours | 14 | 32.56 | Three to four hours | 1 | 2.33 | More than four hours | 1 | 2.33 |
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