Research Article
[Retracted] Analysis of Teaching Effect of Korean Education Course Based on Data Acquisition Technology
Table 2
Corresponding system of evaluation index.
| QoS class identifier | Percentage | Hierarchy |
| 5 | 90–100 | Excellent | 4 | 80–90 | Fine | 3 | 70–80 | Medium | 2 | 60–70 | Qualified | 1 | <60 | Disqualification |
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