For dropped cases, the detailed reasons should be recorded, and the last test <br>data should be included in the final results for systematic analysis, and the process records should be kept.
The shedding case needs to be documented for detailed reasons and its last trial<br>The data is grouped into the final result for systematic analysis and its process records are maintained.
The cause of the shedding case should be recorded in detail, and the final test should be carried out<br>The data are classified into the final results for systematic analysis, and the process records are kept.<br>