方法和特征
This segment should take about 50 minutes. It contains:
| Slide | Duration |
|---|---|
| 方法 | 10 minutes |
| 特征（Trait） | 15 minutes |
| 派生特征 | 3 minutes |
| 练习：通用日志 | 20 minutes |
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This segment should take about 50 minutes. It contains:
| Slide | Duration |
|---|---|
| 方法 | 10 minutes |
| 特征（Trait） | 15 minutes |
| 派生特征 | 3 minutes |
| 练习：通用日志 | 20 minutes |