[Retracted] Intelligent Evaluation Method of Pressure Relief Gas Drainage in Goaf Based on IoT Perception

Table 5

Smart evaluation classification results.

	Date	Classification
1	7.10	Class I
2	7.11	Class II
3	7.12	Class I
4	7.13	Class II
5	7.14	Class III
6	7.15	Class III
7	7.16	Class III