Table 4. Temporal features with invariant tendencies during the observation periods.
| Symbol | Description | Class | ||||
|---|---|---|---|---|---|---|
| 3 | 7 | 14 | 28 | 56 | ||
| qp | Periodicity of external shock | N | N | |||
| qs | External shock periodicity offset | N | N | N | ||
| ps | Interaction periodicity offset | N | N | N | ||
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